./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 1799988bc1da19f433fa78a6cf8f051cf9c819a53eeb0215caf4dadecf0228ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:03,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:03,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:50:03,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:03,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:03,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:03,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:03,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:03,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:03,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:03,166 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:03,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:03,166 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:03,167 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:50:03,167 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:03,167 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:03,167 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:50:03,167 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:50:03,168 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:03,168 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:50:03,168 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:50:03,168 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:50:03,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:03,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:03,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:50:03,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:50:03,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:50:03,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:50:03,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:03,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:03,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:03,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:03,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:03,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:03,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:03,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:03,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:50:03,173 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 -> 1799988bc1da19f433fa78a6cf8f051cf9c819a53eeb0215caf4dadecf0228ae [2024-11-14 05:50:03,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:03,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:03,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:03,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:03,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:03,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i Unable to find full path for "g++" [2024-11-14 05:50:05,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:06,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:06,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i [2024-11-14 05:50:06,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/50d8bdfa0/1db4a084234e411cb412045b27ac610b/FLAG71f555930 [2024-11-14 05:50:06,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/50d8bdfa0/1db4a084234e411cb412045b27ac610b [2024-11-14 05:50:06,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:06,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:06,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:06,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:06,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:06,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fee94ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06, skipping insertion in model container [2024-11-14 05:50:06,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:06,469 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i[916,929] [2024-11-14 05:50:06,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:06,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:06,606 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i[916,929] [2024-11-14 05:50:06,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:06,709 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:06,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06 WrapperNode [2024-11-14 05:50:06,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:06,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:06,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:06,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:06,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,799 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2024-11-14 05:50:06,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:06,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:06,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:06,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:06,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:06,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:06,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:06,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:06,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (1/1) ... [2024-11-14 05:50:06,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:06,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:50:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:07,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:07,092 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:50:07,779 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-14 05:50:07,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:50:08,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:50:08,184 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:50:08,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:08 BoogieIcfgContainer [2024-11-14 05:50:08,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:50:08,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:50:08,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:50:08,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:50:08,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:06" (1/3) ... [2024-11-14 05:50:08,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc12f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:08, skipping insertion in model container [2024-11-14 05:50:08,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:06" (2/3) ... [2024-11-14 05:50:08,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc12f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:08, skipping insertion in model container [2024-11-14 05:50:08,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:08" (3/3) ... [2024-11-14 05:50:08,197 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-25.i [2024-11-14 05:50:08,216 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:50:08,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-25.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:50:08,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:50:08,314 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;@1ab7ee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:50:08,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:50:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 05:50:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-14 05:50:08,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:08,334 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:08,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:08,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:08,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1516180751, now seen corresponding path program 1 times [2024-11-14 05:50:08,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:08,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315124343] [2024-11-14 05:50:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:08,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:50:09,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639746279] [2024-11-14 05:50:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:09,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:50:09,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:09,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:50:09,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:50:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:14,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:50:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:15,210 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:50:15,213 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:50:15,214 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:50:15,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:50:15,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:50:15,422 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:50:15,583 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:50:15,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:50:15 BoogieIcfgContainer [2024-11-14 05:50:15,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:50:15,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:50:15,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:50:15,592 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:50:15,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:08" (3/4) ... [2024-11-14 05:50:15,596 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:50:15,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:50:15,598 INFO L158 Benchmark]: Toolchain (without parser) took 9412.14ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 32.1MB in the end (delta: 57.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-14 05:50:15,602 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:15,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.63ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 73.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:50:15,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.23ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 70.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:15,604 INFO L158 Benchmark]: Boogie Preprocessor took 65.24ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:50:15,604 INFO L158 Benchmark]: RCFGBuilder took 1318.30ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 54.7MB in the end (delta: 13.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-14 05:50:15,605 INFO L158 Benchmark]: TraceAbstraction took 7401.79ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 32.1MB in the end (delta: 21.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-14 05:50:15,605 INFO L158 Benchmark]: Witness Printer took 5.77ms. Allocated memory is still 117.4MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:15,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.63ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 73.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.23ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 70.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.24ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.30ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 54.7MB in the end (delta: 13.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7401.79ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 32.1MB in the end (delta: 21.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 5.77ms. Allocated memory is still 117.4MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 7.9kB). 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 someBinaryArithmeticDOUBLEoperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 170. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -256; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] double var_1_7 = 256.25; [L27] double var_1_8 = 127.8; [L28] signed short int var_1_10 = -2; [L29] signed short int var_1_11 = 5; [L30] signed short int var_1_12 = 16; [L31] unsigned long int var_1_13 = 1000000000; [L32] signed long int var_1_14 = -100000000; [L33] double var_1_16 = 50.8; [L34] double var_1_17 = 2.2; [L35] double var_1_18 = 2.675; [L36] double var_1_19 = 100.5; [L37] unsigned short int var_1_20 = 46250; [L38] double var_1_21 = 99999999999.75; [L39] double var_1_22 = 32.4; [L40] double var_1_23 = 15.25; [L41] signed short int var_1_24 = -100; [L42] signed char var_1_25 = -1; [L43] unsigned short int var_1_26 = 128; [L44] unsigned long int var_1_27 = 8; [L45] signed short int var_1_28 = -4; [L46] unsigned long int var_1_29 = 100; [L47] unsigned long int var_1_30 = 100; [L48] unsigned long int var_1_31 = 1000000000; [L49] double var_1_32 = 0.0; [L50] signed long int last_1_var_1_1 = -64; [L51] signed long int last_1_var_1_14 = -100000000; [L52] double last_1_var_1_16 = 50.8; [L53] signed short int last_1_var_1_24 = -100; [L54] signed short int last_1_var_1_28 = -4; [L55] unsigned long int last_1_var_1_29 = 100; [L56] unsigned long int last_1_var_1_30 = 100; [L197] isInitial = 1 [L198] FCALL initially() [L199] int k_loop; [L200] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L200] COND TRUE k_loop < 1 [L201] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_14 = var_1_14 [L186] last_1_var_1_16 = var_1_16 [L187] last_1_var_1_24 = var_1_24 [L188] last_1_var_1_28 = var_1_28 [L189] last_1_var_1_29 = var_1_29 [L190] last_1_var_1_30 = var_1_30 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L146] var_1_6 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_7=1025/4, var_1_8=639/5] [L148] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_8=639/5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_8=639/5] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L153] var_1_10 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_10 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_10 >= -16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L155] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L156] var_1_11 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L158] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L159] var_1_12 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L161] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L162] var_1_17 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L164] var_1_18 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L169] var_1_21 = __VERIFIER_nondet_double() [L170] 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_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L170] 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_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L171] var_1_22 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L173] var_1_23 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L175] var_1_25 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_25 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_25 >= -128) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L177] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L178] CALL assume_abort_if_not(var_1_25 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_25 != 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L179] var_1_31 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_31 >= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3221225473, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 >= 536870912) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3221225473, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L181] CALL assume_abort_if_not(var_1_31 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3221225473, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_31 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=163839, var_1_24=-100, var_1_25=7, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3221225473, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1] [L202] RET updateVariables() [L203] CALL step() [L60] unsigned char stepLocal_2 = var_1_6; [L61] COND TRUE var_1_5 && stepLocal_2 [L62] var_1_4 = ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))) [L70] unsigned char stepLocal_6 = (var_1_12 / var_1_25) != (last_1_var_1_1 * 16); [L71] COND TRUE stepLocal_6 && var_1_6 [L72] COND TRUE \read(var_1_6) [L73] var_1_26 = var_1_12 [L80] signed long int stepLocal_5 = var_1_20 / var_1_25; [L81] COND TRUE stepLocal_5 > var_1_26 [L82] var_1_24 = var_1_11 [L84] unsigned short int stepLocal_7 = var_1_26; [L85] COND TRUE (last_1_var_1_28 + (- var_1_10)) > stepLocal_7 [L86] var_1_28 = (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26) [L88] signed long int stepLocal_4 = 128; [L89] signed short int stepLocal_3 = var_1_4; [L90] COND FALSE !(var_1_26 <= stepLocal_3) [L97] var_1_19 = var_1_22 [L99] COND TRUE (~ var_1_11) >= (~ var_1_20) [L100] var_1_32 = var_1_17 [L102] COND TRUE \read(var_1_6) [L103] var_1_14 = (var_1_4 - last_1_var_1_14) [L107] var_1_13 = (var_1_14 + var_1_12) [L108] COND TRUE \read(var_1_5) [L109] COND TRUE (var_1_12 * var_1_13) >= var_1_11 [L110] var_1_27 = var_1_26 [L113] signed long int stepLocal_1 = var_1_14; [L114] signed long int stepLocal_0 = var_1_14; [L115] COND FALSE !(! (var_1_14 >= var_1_4)) [L120] COND FALSE !(var_1_4 >= stepLocal_1) [L123] var_1_1 = var_1_4 [L126] var_1_29 = (var_1_1 + 4u) [L127] COND FALSE !((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) [L130] unsigned long int stepLocal_9 = var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12))); [L131] unsigned char stepLocal_8 = var_1_6; [L132] COND TRUE stepLocal_8 || var_1_5 [L133] COND TRUE stepLocal_9 >= var_1_11 [L134] var_1_30 = var_1_29 [L203] RET step() [L204] CALL, EXPR property() [L193-L194] return (((((((((((((! (var_1_14 >= var_1_4)) ? ((256 != var_1_14) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_14))) : 1) : ((var_1_4 >= var_1_14) ? (var_1_1 == ((signed long int) var_1_14)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_5 && var_1_6) ? (var_1_4 == ((signed short int) ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))))) : (((var_1_7 - var_1_8) > last_1_var_1_16) ? (var_1_4 == ((signed short int) ((((((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) > ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4))))) ? (((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) : ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4)))))))) : (var_1_4 == ((signed short int) (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24))))))))) && (var_1_13 == ((unsigned long int) (var_1_14 + var_1_12)))) && (var_1_6 ? (var_1_14 == ((signed long int) (var_1_4 - last_1_var_1_14))) : (var_1_14 == ((signed long int) (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)))))) && (((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) ? (var_1_16 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_26 <= var_1_4) ? (((var_1_26 / (var_1_20 - 25)) >= 128) ? (var_1_19 == ((double) (((((15.25 - var_1_21) < 0 ) ? -(15.25 - var_1_21) : (15.25 - var_1_21))) - (var_1_22 + var_1_23)))) : (var_1_19 == ((double) var_1_22))) : (var_1_19 == ((double) var_1_22)))) && (((var_1_20 / var_1_25) > var_1_26) ? (var_1_24 == ((signed short int) var_1_11)) : 1)) && ((((var_1_12 / var_1_25) != (last_1_var_1_1 * 16)) && var_1_6) ? (var_1_6 ? (var_1_26 == ((unsigned short int) var_1_12)) : (var_1_26 == ((unsigned short int) last_1_var_1_29))) : (var_1_26 == ((unsigned short int) last_1_var_1_29)))) && (var_1_5 ? (((var_1_12 * var_1_13) >= var_1_11) ? (var_1_27 == ((unsigned long int) var_1_26)) : 1) : 1)) && (((last_1_var_1_28 + (- var_1_10)) > var_1_26) ? (var_1_28 == ((signed short int) (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26))) : 1)) && (var_1_29 == ((unsigned long int) (var_1_1 + 4u)))) && ((var_1_6 || var_1_5) ? (((var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12)))) >= var_1_11) ? (var_1_30 == ((unsigned long int) var_1_29)) : (var_1_30 == ((unsigned long int) (((((var_1_20) > (var_1_4)) ? (var_1_20) : (var_1_4))) + ((1000000000u + var_1_31) - var_1_29))))) : (var_1_30 == ((unsigned long int) ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))))))) && (((~ var_1_11) >= (~ var_1_20)) ? (var_1_32 == ((double) var_1_17)) : 1) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=99999903, var_1_14=99999900, var_1_16=254/5, var_1_17=3, var_1_18=0, var_1_19=2, var_1_1=-100, var_1_20=163839, var_1_22=2, var_1_24=3, var_1_25=7, var_1_26=3, var_1_27=3, var_1_28=0, var_1_29=-96, var_1_30=-96, var_1_31=-3221225473, var_1_32=3, var_1_4=-100, var_1_5=1, var_1_6=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-16383, var_1_11=3, var_1_12=3, var_1_13=99999903, var_1_14=99999900, var_1_16=254/5, var_1_17=3, var_1_18=0, var_1_19=2, var_1_1=-100, var_1_20=163839, var_1_22=2, var_1_24=3, var_1_25=7, var_1_26=3, var_1_27=3, var_1_28=0, var_1_29=-96, var_1_30=-96, var_1_31=-3221225473, var_1_32=3, var_1_4=-100, var_1_5=1, var_1_6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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: 0.1s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:50:15,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 1799988bc1da19f433fa78a6cf8f051cf9c819a53eeb0215caf4dadecf0228ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:19,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:19,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:50:19,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:19,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:19,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:19,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:19,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:19,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:19,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:19,230 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:19,230 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:19,231 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:19,231 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:19,231 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:19,232 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:19,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:19,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:19,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:50:19,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:50:19,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:19,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:19,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:19,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:19,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:50:19,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:19,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:19,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:19,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:19,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:19,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:19,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:50:19,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:50:19,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:19,238 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:19,238 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 -> 1799988bc1da19f433fa78a6cf8f051cf9c819a53eeb0215caf4dadecf0228ae [2024-11-14 05:50:19,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:19,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:19,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:19,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:19,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:19,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i Unable to find full path for "g++" [2024-11-14 05:50:22,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:22,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:22,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i [2024-11-14 05:50:22,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/470ab0e38/fc63433112ac43ea9e92f5b5ac80eaf6/FLAGe32a03f2a [2024-11-14 05:50:22,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/data/470ab0e38/fc63433112ac43ea9e92f5b5ac80eaf6 [2024-11-14 05:50:22,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:22,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:22,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:22,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:22,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:22,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:22" (1/1) ... [2024-11-14 05:50:22,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760b104e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:22, skipping insertion in model container [2024-11-14 05:50:22,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:22" (1/1) ... [2024-11-14 05:50:22,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:22,865 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i[916,929] [2024-11-14 05:50:23,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:23,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:23,093 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_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-25.i[916,929] [2024-11-14 05:50:23,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:23,186 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:23,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23 WrapperNode [2024-11-14 05:50:23,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:23,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:23,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:23,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:23,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,285 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-11-14 05:50:23,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:23,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:23,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:23,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:23,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:23,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:23,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:23,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:23,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (1/1) ... [2024-11-14 05:50:23,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:23,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:23,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:50:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:23,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:23,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:50:27,940 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-14 05:50:27,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:50:27,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:50:27,958 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:50:27,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:27 BoogieIcfgContainer [2024-11-14 05:50:27,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:50:27,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:50:27,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:50:27,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:50:27,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:22" (1/3) ... [2024-11-14 05:50:27,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:27, skipping insertion in model container [2024-11-14 05:50:27,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:23" (2/3) ... [2024-11-14 05:50:27,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:27, skipping insertion in model container [2024-11-14 05:50:27,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:27" (3/3) ... [2024-11-14 05:50:27,975 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-25.i [2024-11-14 05:50:27,990 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:50:27,992 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-25.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:50:28,062 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:50:28,078 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;@21ee179f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:50:28,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:50:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 05:50:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 05:50:28,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:28,106 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:28,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:28,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:28,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1869395136, now seen corresponding path program 1 times [2024-11-14 05:50:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:28,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83562233] [2024-11-14 05:50:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:28,127 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 05:50:28,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:28,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:28,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:29,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:50:29,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-11-14 05:50:29,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:50:29,278 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:29,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83562233] [2024-11-14 05:50:29,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83562233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:29,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:29,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:50:29,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214873019] [2024-11-14 05:50:29,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:29,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:50:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:29,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:50:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:50:29,327 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 05:50:29,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:29,365 INFO L93 Difference]: Finished difference Result 165 states and 277 transitions. [2024-11-14 05:50:29,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:50:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2024-11-14 05:50:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:29,378 INFO L225 Difference]: With dead ends: 165 [2024-11-14 05:50:29,378 INFO L226 Difference]: Without dead ends: 80 [2024-11-14 05:50:29,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 05:50:29,387 INFO L432 NwaCegarLoop]: 125 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, 125 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 05:50:29,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:50:29,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-14 05:50:29,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-14 05:50:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 05:50:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2024-11-14 05:50:29,462 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 164 [2024-11-14 05:50:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:29,462 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2024-11-14 05:50:29,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 05:50:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2024-11-14 05:50:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 05:50:29,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:29,472 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:29,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:29,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:29,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:29,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash -517579832, now seen corresponding path program 1 times [2024-11-14 05:50:29,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:29,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181480885] [2024-11-14 05:50:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:29,676 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 05:50:29,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:29,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:30,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:50:30,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-14 05:50:30,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:50:30,670 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:30,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181480885] [2024-11-14 05:50:30,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181480885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:30,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:30,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:50:30,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115073316] [2024-11-14 05:50:30,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:30,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:50:30,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:50:30,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:30,676 INFO L87 Difference]: Start difference. First operand 80 states and 121 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 05:50:32,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:34,980 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 05:50:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:34,993 INFO L93 Difference]: Finished difference Result 188 states and 285 transitions. [2024-11-14 05:50:35,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:50:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2024-11-14 05:50:35,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:35,032 INFO L225 Difference]: With dead ends: 188 [2024-11-14 05:50:35,032 INFO L226 Difference]: Without dead ends: 111 [2024-11-14 05:50:35,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:35,034 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:35,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 230 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 05:50:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-14 05:50:35,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2024-11-14 05:50:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 05:50:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-14 05:50:35,071 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 164 [2024-11-14 05:50:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-14 05:50:35,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 05:50:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-14 05:50:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:50:35,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:35,078 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:35,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:35,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:35,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:35,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash 992602672, now seen corresponding path program 1 times [2024-11-14 05:50:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247657146] [2024-11-14 05:50:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:35,281 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 05:50:35,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:35,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:35,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:35,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:50:35,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-14 05:50:37,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:50:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-14 05:50:38,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247657146] [2024-11-14 05:50:38,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247657146] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:50:38,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:50:38,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-14 05:50:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988050305] [2024-11-14 05:50:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:38,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:50:38,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:50:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:50:38,827 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 05:50:41,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:43,147 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 05:50:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:43,450 INFO L93 Difference]: Finished difference Result 256 states and 387 transitions. [2024-11-14 05:50:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:50:43,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2024-11-14 05:50:43,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:43,495 INFO L225 Difference]: With dead ends: 256 [2024-11-14 05:50:43,496 INFO L226 Difference]: Without dead ends: 157 [2024-11-14 05:50:43,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:50:43,498 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 43 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:43,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 373 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2024-11-14 05:50:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-14 05:50:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2024-11-14 05:50:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 118 states have internal predecessors, (164), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 05:50:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2024-11-14 05:50:43,532 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 165 [2024-11-14 05:50:43,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:43,533 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2024-11-14 05:50:43,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 05:50:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2024-11-14 05:50:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:50:43,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:43,541 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:43,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:43,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:43,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:43,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash -18514578, now seen corresponding path program 1 times [2024-11-14 05:50:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:43,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696565664] [2024-11-14 05:50:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:43,747 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 05:50:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:43,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:50:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:50:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:44,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 05:50:44,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-14 05:50:58,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:10,420 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:51:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696565664] [2024-11-14 05:51:10,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696565664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:10,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [792261327] [2024-11-14 05:51:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:51:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:51:10,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:51:10,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 05:51:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:12,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:51:12,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 05:51:16,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:20,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [792261327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:20,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404263588] [2024-11-14 05:51:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:20,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:20,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:20,477 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:20,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 05:51:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:20,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 05:51:20,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 05:51:27,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:31,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404263588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:31,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:51:31,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 10] total 29 [2024-11-14 05:51:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761089620] [2024-11-14 05:51:31,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:51:31,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-14 05:51:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:51:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-14 05:51:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=1249, Unknown=1, NotChecked=0, Total=1640 [2024-11-14 05:51:31,114 INFO L87 Difference]: Start difference. First operand 146 states and 216 transitions. Second operand has 30 states, 30 states have (on average 5.0) internal successors, (150), 29 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-14 05:51:44,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:51:48,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:51:52,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:51:54,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:51:56,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:51:59,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:01,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:02,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:05,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:07,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:10,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:13,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:15,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:17,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:19,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:23,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:52:25,495 WARN L539 Checker$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 05:52:33,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:35,925 WARN L539 Checker$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 [0] [2024-11-14 05:52:37,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:40,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:42,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:44,063 WARN L539 Checker$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 [0] [2024-11-14 05:52:46,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:49,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:51,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:53,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:55,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:52:57,818 WARN L539 Checker$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 [0] [2024-11-14 05:53:08,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:53:10,046 WARN L539 Checker$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 05:53:12,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:53:15,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:53:17,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:53:20,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:53:22,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:53:24,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:53:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:53:25,192 INFO L93 Difference]: Finished difference Result 927 states and 1365 transitions. [2024-11-14 05:53:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 05:53:25,194 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 5.0) internal successors, (150), 29 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) Word has length 165 [2024-11-14 05:53:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:53:25,202 INFO L225 Difference]: With dead ends: 927 [2024-11-14 05:53:25,202 INFO L226 Difference]: Without dead ends: 784 [2024-11-14 05:53:25,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=1484, Invalid=4677, Unknown=1, NotChecked=0, Total=6162 [2024-11-14 05:53:25,213 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1112 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 204 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:53:25,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1771 Invalid, 2530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 2293 Invalid, 33 Unknown, 0 Unchecked, 105.5s Time] [2024-11-14 05:53:25,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-14 05:53:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 287. [2024-11-14 05:53:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 230 states have (on average 1.382608695652174) internal successors, (318), 231 states have internal predecessors, (318), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 05:53:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 418 transitions. [2024-11-14 05:53:25,331 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 418 transitions. Word has length 165 [2024-11-14 05:53:25,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:53:25,332 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 418 transitions. [2024-11-14 05:53:25,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.0) internal successors, (150), 29 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-14 05:53:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 418 transitions. [2024-11-14 05:53:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:53:25,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:53:25,336 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:25,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:53:25,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-14 05:53:25,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 05:53:25,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:53:25,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:53:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:53:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1390349072, now seen corresponding path program 1 times [2024-11-14 05:53:25,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:53:25,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109552272] [2024-11-14 05:53:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:25,939 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 05:53:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:53:25,941 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:53:25,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 05:53:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:26,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 05:53:26,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:53:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-14 05:53:38,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:53:48,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:53:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109552272] [2024-11-14 05:53:48,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109552272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:53:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1934823472] [2024-11-14 05:53:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:48,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:53:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:53:48,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:53:48,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 05:53:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:50,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:53:50,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:53:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 05:53:55,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:53:57,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1934823472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:53:57,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818973169] [2024-11-14 05:53:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:57,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:53:57,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:53:57,990 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:53:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 05:53:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:58,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:53:58,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:54:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 05:54:05,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:54:10,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818973169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:54:10,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:54:10,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 12] total 34 [2024-11-14 05:54:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73835967] [2024-11-14 05:54:10,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:54:10,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-14 05:54:10,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:54:10,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-14 05:54:10,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1987, Unknown=0, NotChecked=0, Total=2450 [2024-11-14 05:54:10,315 INFO L87 Difference]: Start difference. First operand 287 states and 418 transitions. Second operand has 35 states, 35 states have (on average 4.3428571428571425) internal successors, (152), 34 states have internal predecessors, (152), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-14 05:54:24,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:25,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:32,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:34,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:36,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:39,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:41,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:42,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:45,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:48,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:50,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:52,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:55,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:54:57,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:59,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:55:01,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:55:02,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:55:07,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:20,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:22,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:24,616 WARN L539 Checker$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 [0] [2024-11-14 05:55:26,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:28,622 WARN L539 Checker$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 [0] [2024-11-14 05:55:30,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:31,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:34,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:36,787 WARN L539 Checker$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 [0] [2024-11-14 05:55:38,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:41,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:43,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:45,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:47,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:55:49,889 WARN L539 Checker$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 [0] [2024-11-14 05:55:51,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:53,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:55,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:57,543 WARN L539 Checker$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 [0] [2024-11-14 05:55:58,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:07,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:56:09,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:56:11,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:56:13,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:15,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:18,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:20,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:21,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:22,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:22,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:56:22,718 INFO L93 Difference]: Finished difference Result 933 states and 1353 transitions. [2024-11-14 05:56:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-14 05:56:22,723 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.3428571428571425) internal successors, (152), 34 states have internal predecessors, (152), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) Word has length 165 [2024-11-14 05:56:22,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:56:22,731 INFO L225 Difference]: With dead ends: 933 [2024-11-14 05:56:22,731 INFO L226 Difference]: Without dead ends: 784 [2024-11-14 05:56:22,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486 ImplicationChecksByTransitivity, 32.2s TimeCoverageRelationStatistics Valid=1930, Invalid=6998, Unknown=2, NotChecked=0, Total=8930 [2024-11-14 05:56:22,736 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1157 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 309 mSolverCounterUnsat, 34 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 34 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:56:22,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1876 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1979 Invalid, 34 Unknown, 0 Unchecked, 113.7s Time] [2024-11-14 05:56:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-14 05:56:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 290. [2024-11-14 05:56:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 233 states have (on average 1.3648068669527897) internal successors, (318), 234 states have internal predecessors, (318), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 05:56:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 418 transitions. [2024-11-14 05:56:22,837 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 418 transitions. Word has length 165 [2024-11-14 05:56:22,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:56:22,837 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 418 transitions. [2024-11-14 05:56:22,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.3428571428571425) internal successors, (152), 34 states have internal predecessors, (152), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-14 05:56:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 418 transitions. [2024-11-14 05:56:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:56:22,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:56:22,841 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:56:22,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 05:56:23,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-14 05:56:23,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-14 05:56:23,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:56:23,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:56:23,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:56:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash -710290702, now seen corresponding path program 1 times [2024-11-14 05:56:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:56:23,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88101085] [2024-11-14 05:56:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:56:23,444 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 05:56:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:56:23,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 05:56:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f76b49-8cb7-4303-8fa4-b3ed56df98a9/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 (11)] Waiting until timeout for monitored process [2024-11-14 05:56:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:56:24,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-14 05:56:24,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:59:04,361 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:59:50,102 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 06:00:07,868 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 06:00:39,106 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)