./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91 --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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:05:54,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:05:55,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:05:55,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:05:55,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:05:55,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:05:55,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:05:55,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:05:55,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:05:55,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:05:55,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:05:55,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:05:55,160 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:05:55,161 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:05:55,161 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:05:55,161 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:05:55,162 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:05:55,162 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:05:55,163 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:05:55,163 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:05:55,164 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:05:55,164 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:05:55,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:05:55,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:05:55,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:05:55,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:05:55,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:05:55,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:05:55,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:05:55,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:05:55,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:05:55,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:05:55,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:05:55,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:05:55,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:05:55,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:05:55,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:05:55,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:55,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:05:55,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:05:55,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:05:55,173 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:05:55,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:05:55,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:05:55,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:05:55,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:05:55,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:05:55,175 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-25 00:05:55,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:05:55,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:05:55,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:05:55,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:05:55,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:05:55,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:05:58,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:05:59,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:05:59,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:05:59,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/e1901849a/bee806b175bd42f4a3d6ec86d5d94b5b/FLAGd4c78327c [2023-11-25 00:05:59,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/e1901849a/bee806b175bd42f4a3d6ec86d5d94b5b [2023-11-25 00:05:59,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:05:59,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:05:59,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:59,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:05:59,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:05:59,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17088634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59, skipping insertion in model container [2023-11-25 00:05:59,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:05:59,454 WARN L240 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_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-25 00:05:59,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:59,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:05:59,587 WARN L240 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_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-25 00:05:59,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:59,660 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:05:59,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59 WrapperNode [2023-11-25 00:05:59,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:59,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:59,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:05:59,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:05:59,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,771 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-25 00:05:59,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:59,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:05:59,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:05:59,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:05:59,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:05:59,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:05:59,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:05:59,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:05:59,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (1/1) ... [2023-11-25 00:05:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:05:59,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:05:59,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:05:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:05:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:05:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:05:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:05:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:05:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:00,117 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:00,120 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:00,756 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:01,196 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:01,196 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:01,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:01 BoogieIcfgContainer [2023-11-25 00:06:01,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:01,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:01,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:01,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:01,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:05:59" (1/3) ... [2023-11-25 00:06:01,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5977853a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:01, skipping insertion in model container [2023-11-25 00:06:01,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:59" (2/3) ... [2023-11-25 00:06:01,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5977853a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:01, skipping insertion in model container [2023-11-25 00:06:01,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:01" (3/3) ... [2023-11-25 00:06:01,213 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:06:01,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:01,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:01,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:01,333 INFO L357 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, mHoare=true, 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;@51817097, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:01,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:06:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-25 00:06:01,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:01,358 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:01,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:01,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:01,369 INFO L85 PathProgramCache]: Analyzing trace with hash 203937416, now seen corresponding path program 1 times [2023-11-25 00:06:01,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:01,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569641642] [2023-11-25 00:06:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:01,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:03,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:06:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:03,443 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:06:03,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:06:03,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:06:03,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:06:03,454 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:06:03,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:06:03,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:06:03 BoogieIcfgContainer [2023-11-25 00:06:03,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:06:03,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:06:03,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:06:03,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:06:03,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:01" (3/4) ... [2023-11-25 00:06:03,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:06:03,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:06:03,621 INFO L158 Benchmark]: Toolchain (without parser) took 4457.11ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 101.1MB in the beginning and 140.1MB in the end (delta: -39.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,622 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:03,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.42ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 86.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.97ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 81.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,627 INFO L158 Benchmark]: Boogie Preprocessor took 120.41ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 114.9MB in the end (delta: -33.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,631 INFO L158 Benchmark]: RCFGBuilder took 1304.58ms. Allocated memory is still 144.7MB. Free memory was 114.9MB in the beginning and 103.4MB in the end (delta: 11.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,633 INFO L158 Benchmark]: TraceAbstraction took 2409.17ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 102.6MB in the beginning and 141.2MB in the end (delta: -38.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:03,634 INFO L158 Benchmark]: Witness Printer took 7.07ms. Allocated memory is still 192.9MB. Free memory was 141.2MB in the beginning and 140.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:03,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.42ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 86.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.97ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 81.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.41ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 114.9MB in the end (delta: -33.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1304.58ms. Allocated memory is still 144.7MB. Free memory was 114.9MB in the beginning and 103.4MB in the end (delta: 11.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2409.17ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 102.6MB in the beginning and 141.2MB in the end (delta: -38.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 7.07ms. Allocated memory is still 192.9MB. Free memory was 141.2MB in the beginning and 140.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of bitwiseOr at line 54, overapproximation of shiftLeft at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] unsigned short int var_1_20 = 0; [L39] double var_1_21 = 9.15; [L40] double var_1_22 = 128.5; [L41] unsigned char var_1_23 = 1; [L42] double var_1_24 = 1.125; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_26 = 0; [L45] unsigned char var_1_27 = 1; [L46] unsigned char last_1_var_1_8 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_8 = var_1_8 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L113] var_1_6 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_7=16, var_1_8=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=16, var_1_8=0, var_1_9=1] [L116] var_1_7 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_8=0, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L122] var_1_11 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L125] var_1_12 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L128] var_1_13 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L131] var_1_16 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L134] var_1_20 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L137] var_1_22 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L139] var_1_26 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L142] var_1_27 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L158] RET updateVariables() [L159] CALL step() [L50] var_1_19 = var_1_20 [L51] var_1_21 = var_1_22 [L52] var_1_23 = 0 [L53] var_1_24 = var_1_22 [L54] EXPR 64 ^ var_1_19 [L54] COND TRUE var_1_20 != (64 ^ var_1_19) [L55] COND FALSE !((var_1_19 >= var_1_20) && var_1_23) [L58] var_1_25 = var_1_27 [L63] unsigned short int stepLocal_1 = var_1_6; [L64] unsigned char stepLocal_0 = last_1_var_1_8; [L65] COND FALSE !(last_1_var_1_8 && stepLocal_0) [L68] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1) [L72] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L73] COND TRUE \read(var_1_8) [L74] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L77] COND TRUE stepLocal_4 >= var_1_14 [L78] var_1_17 = var_1_11 [L82] unsigned short int stepLocal_5 = var_1_5; [L83] COND FALSE !(stepLocal_5 == var_1_16) [L90] COND TRUE \read(var_1_9) [L91] var_1_18 = 200 [L94] unsigned char stepLocal_3 = var_1_9; [L95] unsigned long int stepLocal_2 = var_1_17; [L96] COND TRUE stepLocal_2 < var_1_6 [L97] COND TRUE (var_1_6 != var_1_5) || stepLocal_3 [L98] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150-L151] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=26379, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=40510, var_1_16=16383, var_1_17=0, var_1_18=200, var_1_19=65534, var_1_1=4, var_1_20=65534, var_1_21=58797, var_1_22=58797, var_1_23=0, var_1_24=58797, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=26379, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=40510, var_1_16=16383, var_1_17=0, var_1_18=200, var_1_19=65534, var_1_1=4, var_1_20=65534, var_1_21=58797, var_1_22=58797, var_1_23=0, var_1_24=58797, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 25, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:06:03,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91 --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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:06,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:06,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:06,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:06,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:06,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:06,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:06,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:06,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:06,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:06,704 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:06,705 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:06,705 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:06,707 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:06,707 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:06,708 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:06,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:06,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:06,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:06,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:06,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:06,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:06,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:06,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:06,713 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:06,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:06,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:06,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:06,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:06,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:06,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:06,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:06,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:06,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:06,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:06,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:06,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:06,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:06,720 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:06,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:06,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:06,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:06,722 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:06,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:06,723 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-25 00:06:07,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:07,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:07,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:07,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:07,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:07,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:06:10,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:10,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:10,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:06:10,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/0dd9da122/bcbc079d0af6411bb3363ad3ea547eea/FLAGc7871efad [2023-11-25 00:06:10,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/data/0dd9da122/bcbc079d0af6411bb3363ad3ea547eea [2023-11-25 00:06:10,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:10,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:10,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:10,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:10,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:10,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:10" (1/1) ... [2023-11-25 00:06:10,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b36bb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:10, skipping insertion in model container [2023-11-25 00:06:10,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:10" (1/1) ... [2023-11-25 00:06:10,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:11,106 WARN L240 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_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-25 00:06:11,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:11,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:11,312 WARN L240 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_12a4c96f-f64d-47be-8411-3a250eab0f19/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-25 00:06:11,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:11,437 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:11,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11 WrapperNode [2023-11-25 00:06:11,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:11,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:11,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:11,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:11,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,508 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-25 00:06:11,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:11,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:11,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:11,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:11,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:11,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:11,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:11,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:11,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:11,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:11,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:11,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:06:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:11,796 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:11,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:12,335 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:12,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:12,436 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:12,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:12 BoogieIcfgContainer [2023-11-25 00:06:12,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:12,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:12,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:12,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:12,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:10" (1/3) ... [2023-11-25 00:06:12,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b90beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:12, skipping insertion in model container [2023-11-25 00:06:12,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (2/3) ... [2023-11-25 00:06:12,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b90beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:12, skipping insertion in model container [2023-11-25 00:06:12,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:12" (3/3) ... [2023-11-25 00:06:12,452 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-25 00:06:12,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:12,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:12,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:12,534 INFO L357 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, mHoare=true, 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;@7a86abf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:12,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:06:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-25 00:06:12,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:12,571 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:12,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:12,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1904905118, now seen corresponding path program 1 times [2023-11-25 00:06:12,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:12,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752802226] [2023-11-25 00:06:12,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:12,605 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 [2023-11-25 00:06:12,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:12,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:12,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:12,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:06:12,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-11-25 00:06:12,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:12,910 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:12,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752802226] [2023-11-25 00:06:12,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752802226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:12,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:12,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:12,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306276685] [2023-11-25 00:06:12,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:12,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:06:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:12,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:06:12,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:12,955 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:06:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:13,025 INFO L93 Difference]: Finished difference Result 131 states and 233 transitions. [2023-11-25 00:06:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:06:13,029 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2023-11-25 00:06:13,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:13,037 INFO L225 Difference]: With dead ends: 131 [2023-11-25 00:06:13,037 INFO L226 Difference]: Without dead ends: 65 [2023-11-25 00:06:13,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:13,046 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:13,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-25 00:06:13,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-25 00:06:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:06:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-11-25 00:06:13,101 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 155 [2023-11-25 00:06:13,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:13,102 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-11-25 00:06:13,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:06:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-25 00:06:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-25 00:06:13,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:13,107 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:13,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:13,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:13,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:13,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:13,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1120088480, now seen corresponding path program 1 times [2023-11-25 00:06:13,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:13,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82340938] [2023-11-25 00:06:13,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:13,314 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 [2023-11-25 00:06:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:13,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:13,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:13,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:06:13,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-25 00:06:13,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:13,893 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:13,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82340938] [2023-11-25 00:06:13,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82340938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:13,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:13,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:06:13,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588768212] [2023-11-25 00:06:13,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:13,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:06:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:13,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:06:13,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:06:13,899 INFO L87 Difference]: Start difference. First operand 65 states and 100 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:14,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:14,228 INFO L93 Difference]: Finished difference Result 223 states and 340 transitions. [2023-11-25 00:06:14,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:06:14,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 155 [2023-11-25 00:06:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:14,238 INFO L225 Difference]: With dead ends: 223 [2023-11-25 00:06:14,242 INFO L226 Difference]: Without dead ends: 159 [2023-11-25 00:06:14,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:06:14,245 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 91 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:14,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 315 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:06:14,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-25 00:06:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 124. [2023-11-25 00:06:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-25 00:06:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 191 transitions. [2023-11-25 00:06:14,317 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 191 transitions. Word has length 155 [2023-11-25 00:06:14,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:14,319 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 191 transitions. [2023-11-25 00:06:14,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-25 00:06:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-25 00:06:14,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:14,323 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:14,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:14,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:14,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:14,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:14,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1691656285, now seen corresponding path program 1 times [2023-11-25 00:06:14,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:14,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74182653] [2023-11-25 00:06:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:14,529 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 [2023-11-25 00:06:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:14,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:14,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:14,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:06:14,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-25 00:06:14,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:14,789 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:14,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74182653] [2023-11-25 00:06:14,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74182653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:14,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:14,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:06:14,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750788249] [2023-11-25 00:06:14,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:14,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:14,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:14,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:14,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:14,793 INFO L87 Difference]: Start difference. First operand 124 states and 191 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:14,875 INFO L93 Difference]: Finished difference Result 283 states and 433 transitions. [2023-11-25 00:06:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:14,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 156 [2023-11-25 00:06:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:14,881 INFO L225 Difference]: With dead ends: 283 [2023-11-25 00:06:14,881 INFO L226 Difference]: Without dead ends: 160 [2023-11-25 00:06:14,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:14,885 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 79 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:14,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 203 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:14,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-25 00:06:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2023-11-25 00:06:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 86 states have (on average 1.2093023255813953) internal successors, (104), 87 states have internal predecessors, (104), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-25 00:06:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 240 transitions. [2023-11-25 00:06:14,961 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 240 transitions. Word has length 156 [2023-11-25 00:06:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:14,963 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 240 transitions. [2023-11-25 00:06:14,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 240 transitions. [2023-11-25 00:06:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-25 00:06:14,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:14,977 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:14,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:15,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:15,183 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:15,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:15,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1960766847, now seen corresponding path program 1 times [2023-11-25 00:06:15,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:15,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284097659] [2023-11-25 00:06:15,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:15,185 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 [2023-11-25 00:06:15,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:15,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:15,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:15,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:06:15,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-25 00:06:15,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:15,442 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284097659] [2023-11-25 00:06:15,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284097659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:15,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:15,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:06:15,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629760388] [2023-11-25 00:06:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:15,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:15,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:15,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:15,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:15,455 INFO L87 Difference]: Start difference. First operand 159 states and 240 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:15,545 INFO L93 Difference]: Finished difference Result 306 states and 456 transitions. [2023-11-25 00:06:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 157 [2023-11-25 00:06:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:15,550 INFO L225 Difference]: With dead ends: 306 [2023-11-25 00:06:15,554 INFO L226 Difference]: Without dead ends: 175 [2023-11-25 00:06:15,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:15,563 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 95 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:15,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 225 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-25 00:06:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 174. [2023-11-25 00:06:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 93 states have (on average 1.1720430107526882) internal successors, (109), 94 states have internal predecessors, (109), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-25 00:06:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 259 transitions. [2023-11-25 00:06:15,622 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 259 transitions. Word has length 157 [2023-11-25 00:06:15,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:15,623 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 259 transitions. [2023-11-25 00:06:15,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:06:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 259 transitions. [2023-11-25 00:06:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-25 00:06:15,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:15,628 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:15,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:15,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:15,833 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:15,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:15,834 INFO L85 PathProgramCache]: Analyzing trace with hash 939698493, now seen corresponding path program 1 times [2023-11-25 00:06:15,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:15,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418589243] [2023-11-25 00:06:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:15,836 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 [2023-11-25 00:06:15,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:15,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:15,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-25 00:06:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:16,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-25 00:06:16,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-25 00:06:20,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:06:23,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:23,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418589243] [2023-11-25 00:06:23,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418589243] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:06:23,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [139606594] [2023-11-25 00:06:23,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:06:23,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:06:23,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-25 00:06:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:23,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-25 00:06:23,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 806 proven. 231 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-25 00:06:27,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:06:28,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [139606594] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:06:28,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99042531] [2023-11-25 00:06:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:28,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:06:28,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:28,406 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:06:28,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a4c96f-f64d-47be-8411-3a250eab0f19/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-25 00:06:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:28,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-25 00:06:28,604 INFO L285 TraceCheckSpWp]: Computing forward predicates...