./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX --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 b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:31,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:31,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:52:31,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:31,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:31,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:31,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:31,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:31,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:31,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:31,900 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:31,901 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:31,901 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:31,902 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:31,903 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:31,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:31,904 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:31,904 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:31,905 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:31,905 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:31,906 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:31,907 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:31,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:31,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:31,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:52:31,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:31,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:52:31,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:31,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:31,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:31,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:31,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:52:31,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:31,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:31,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:31,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:31,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:31,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:31,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:31,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:31,914 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:31,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:31,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:31,915 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:31,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:31,916 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af [2023-11-12 00:52:32,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:32,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:32,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:32,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:32,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:32,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:52:35,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:35,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:35,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:52:35,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/cbbb659de/722481eb301a4455b05fb8ac1f007df9/FLAGafb9f99f3 [2023-11-12 00:52:35,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/cbbb659de/722481eb301a4455b05fb8ac1f007df9 [2023-11-12 00:52:35,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:35,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:35,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:35,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:35,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:35,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:35" (1/1) ... [2023-11-12 00:52:35,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1863daed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:35, skipping insertion in model container [2023-11-12 00:52:35,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:35" (1/1) ... [2023-11-12 00:52:35,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:36,046 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-12 00:52:36,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:36,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:36,149 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-12 00:52:36,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:36,202 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:36,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36 WrapperNode [2023-11-12 00:52:36,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:36,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:36,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:36,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:36,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,291 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-12 00:52:36,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:36,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:36,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:36,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:36,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:36,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:36,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:36,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:36,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:36,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:36,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:36,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:52:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:36,586 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:36,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:36,987 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:37,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:37,298 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:52:37,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:37 BoogieIcfgContainer [2023-11-12 00:52:37,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:37,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:37,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:37,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:37,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:35" (1/3) ... [2023-11-12 00:52:37,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ff5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:37, skipping insertion in model container [2023-11-12 00:52:37,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (2/3) ... [2023-11-12 00:52:37,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ff5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:37, skipping insertion in model container [2023-11-12 00:52:37,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:37" (3/3) ... [2023-11-12 00:52:37,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:52:37,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:37,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:37,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:37,398 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;@e2a0da7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:37,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:52:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:52:37,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:37,421 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:37,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:37,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:37,430 INFO L85 PathProgramCache]: Analyzing trace with hash -136208071, now seen corresponding path program 1 times [2023-11-12 00:52:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:37,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378826546] [2023-11-12 00:52:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:38,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:52:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:38,382 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:52:38,387 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:52:38,389 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:52:38,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:52:38,397 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:52:38,402 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:52:38,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:52:38 BoogieIcfgContainer [2023-11-12 00:52:38,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:52:38,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:52:38,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:52:38,558 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:52:38,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:37" (3/4) ... [2023-11-12 00:52:38,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:52:38,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:52:38,566 INFO L158 Benchmark]: Toolchain (without parser) took 2744.29ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 113.6MB in the beginning and 164.5MB in the end (delta: -50.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:38,567 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:38,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.65ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 98.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:52:38,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.35ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 95.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:52:38,570 INFO L158 Benchmark]: Boogie Preprocessor took 55.86ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:52:38,575 INFO L158 Benchmark]: RCFGBuilder took 952.69ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 93.1MB in the beginning and 155.5MB in the end (delta: -62.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-12 00:52:38,577 INFO L158 Benchmark]: TraceAbstraction took 1247.59ms. Allocated memory is still 203.4MB. Free memory was 154.5MB in the beginning and 165.5MB in the end (delta: -11.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-12 00:52:38,577 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 203.4MB. Free memory was 165.5MB in the beginning and 164.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:38,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.65ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 98.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.35ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 95.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.86ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 952.69ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 93.1MB in the beginning and 155.5MB in the end (delta: -62.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1247.59ms. Allocated memory is still 203.4MB. Free memory was 154.5MB in the beginning and 165.5MB in the end (delta: -11.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 203.4MB. Free memory was 165.5MB in the beginning and 164.5MB 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 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned short int var_1_20 = 8; [L41] unsigned short int var_1_21 = 10; [L42] signed long int var_1_22 = -256; [L43] unsigned long int var_1_23 = 256; [L44] signed long int var_1_24 = 32; [L45] signed long int var_1_25 = 32; [L46] signed char var_1_26 = -10; [L47] signed char var_1_27 = 50; [L48] signed short int var_1_28 = 8; [L49] unsigned char last_1_var_1_8 = 5; [L50] unsigned short int last_1_var_1_18 = 64; [L167] isInitial = 1 [L168] FCALL initially() [L169] COND TRUE 1 [L170] CALL updateLastVariables() [L159] last_1_var_1_8 = var_1_8 [L160] last_1_var_1_18 = var_1_18 [L170] RET updateLastVariables() [L171] CALL updateVariables() [L116] var_1_2 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L118] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L119] var_1_3 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L121] var_1_4 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L123] var_1_5 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L125] var_1_6 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=1, var_1_8=5, var_1_9=307/20] [L127] var_1_7 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=307/20] [L129] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=307/20] [L130] var_1_9 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L132] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L133] var_1_10 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L135] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L136] var_1_11 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L138] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L139] var_1_15 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L141] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L142] var_1_16 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L144] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L145] var_1_17 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L147] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L148] var_1_21 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L150] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L151] var_1_25 = __VERIFIER_nondet_long() [L152] CALL assume_abort_if_not(var_1_25 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_25 >= -2147483647) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L153] CALL assume_abort_if_not(var_1_25 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_25 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L154] var_1_27 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=126, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=126, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L156] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=126, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=65534, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=126, var_1_28=8, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=5, var_1_9=2147483653] [L171] RET updateVariables() [L172] CALL step() [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_21 [L56] var_1_23 = var_1_21 [L57] var_1_24 = var_1_25 [L58] var_1_26 = var_1_27 [L59] COND TRUE var_1_26 >= -10 [L60] var_1_28 = ((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) < (var_1_26)) ? (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) : (var_1_26))) [L62] COND TRUE \read(var_1_2) [L63] COND TRUE ((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6) [L64] var_1_1 = (5 + last_1_var_1_8) [L71] unsigned short int stepLocal_0 = var_1_1; [L72] COND FALSE !(var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) [L75] COND FALSE !(stepLocal_0 <= var_1_7) [L78] var_1_8 = var_1_11 [L81] COND TRUE \read(var_1_2) [L82] COND FALSE !(-128 > var_1_10) [L92] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)); [L93] COND TRUE var_1_10 == stepLocal_1 [L94] var_1_14 = ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L98] COND TRUE \read(var_1_2) [L99] var_1_13 = var_1_11 [L101] COND TRUE var_1_8 == var_1_13 [L102] var_1_18 = (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))) [L172] RET step() [L173] CALL, EXPR property() [L163-L164] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L173] RET, EXPR property() [L173] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=253, var_1_14=126, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=254, var_1_1=10, var_1_20=65534, var_1_21=65534, var_1_22=65534, var_1_23=65534, var_1_24=2147483646, var_1_25=2147483646, var_1_26=126, var_1_27=126, var_1_28=126, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=253, var_1_9=2147483653] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=254, var_1_11=253, var_1_12=32, var_1_13=253, var_1_14=126, var_1_15=254, var_1_16=0, var_1_17=126, var_1_18=254, var_1_1=10, var_1_20=65534, var_1_21=65534, var_1_22=65534, var_1_23=65534, var_1_24=2147483646, var_1_25=2147483646, var_1_26=126, var_1_27=126, var_1_28=126, var_1_2=1, var_1_3=2147483654, var_1_4=2147483652, var_1_5=2147483655, var_1_6=2147483651, var_1_7=9, var_1_8=253, var_1_9=2147483653] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 [2023-11-12 00:52:38,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX --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 b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:41,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:41,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:52:41,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:41,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:41,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:41,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:41,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:41,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:41,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:41,578 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:41,579 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:41,580 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:41,580 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:41,581 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:41,582 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:41,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:41,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:41,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:52:41,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:52:41,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:41,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:41,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:41,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:41,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:52:41,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:52:41,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:52:41,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:52:41,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:41,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:41,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:41,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:52:41,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:41,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:41,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:41,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:41,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:41,598 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:52:41,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:41,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:41,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:41,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:41,601 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af [2023-11-12 00:52:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:42,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:42,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:42,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:42,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:42,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:52:45,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:45,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:45,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:52:45,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/4b6abb585/06f80e273a384b6f9ed52cb715f0c2a0/FLAG5f4f127ce [2023-11-12 00:52:45,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/data/4b6abb585/06f80e273a384b6f9ed52cb715f0c2a0 [2023-11-12 00:52:45,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:45,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:45,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:45,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:45,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:45,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:45" (1/1) ... [2023-11-12 00:52:45,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5483e109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:45, skipping insertion in model container [2023-11-12 00:52:45,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:45" (1/1) ... [2023-11-12 00:52:45,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:45,841 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-12 00:52:45,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:45,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:46,000 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_27f6c6ae-5657-45ca-a3be-13fcaca072e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-12 00:52:46,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:46,087 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:46,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46 WrapperNode [2023-11-12 00:52:46,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:46,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:46,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:46,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:46,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,171 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-12 00:52:46,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:46,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:46,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:46,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:46,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:46,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:46,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:46,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:46,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (1/1) ... [2023-11-12 00:52:46,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:46,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:46,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:46,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:52:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:46,515 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:46,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:01,628 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:01,636 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:01,637 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:01,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:01 BoogieIcfgContainer [2023-11-12 00:53:01,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:01,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:01,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:01,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:01,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:45" (1/3) ... [2023-11-12 00:53:01,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a49cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:01, skipping insertion in model container [2023-11-12 00:53:01,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:46" (2/3) ... [2023-11-12 00:53:01,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a49cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:01, skipping insertion in model container [2023-11-12 00:53:01,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:01" (3/3) ... [2023-11-12 00:53:01,655 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-12 00:53:01,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:01,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:01,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:01,760 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;@3662f7f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:01,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:01,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:01,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-12 00:53:01,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:01,795 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:01,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:01,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash -127921203, now seen corresponding path program 1 times [2023-11-12 00:53:01,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:01,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009973200] [2023-11-12 00:53:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:01,824 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 [2023-11-12 00:53:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:01,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:53:01,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:03,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:53:03,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2023-11-12 00:53:03,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:03,981 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009973200] [2023-11-12 00:53:03,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009973200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:03,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:03,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683813850] [2023-11-12 00:53:03,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:03,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:53:03,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:53:04,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:04,024 INFO L87 Difference]: Start difference. First operand has 75 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:53:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:04,061 INFO L93 Difference]: Finished difference Result 142 states and 250 transitions. [2023-11-12 00:53:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:53:04,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2023-11-12 00:53:04,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:04,073 INFO L225 Difference]: With dead ends: 142 [2023-11-12 00:53:04,073 INFO L226 Difference]: Without dead ends: 70 [2023-11-12 00:53:04,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:04,081 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:04,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:53:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-12 00:53:04,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-12 00:53:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2023-11-12 00:53:04,136 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 163 [2023-11-12 00:53:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:04,136 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2023-11-12 00:53:04,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:53:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-11-12 00:53:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-12 00:53:04,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:04,142 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:04,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:53:04,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:04,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:04,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash 910546453, now seen corresponding path program 1 times [2023-11-12 00:53:04,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:04,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995531247] [2023-11-12 00:53:04,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:04,365 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 [2023-11-12 00:53:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:04,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:53:04,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:06,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:53:06,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:53:06,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:06,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:06,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995531247] [2023-11-12 00:53:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995531247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:06,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:06,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:53:06,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427872410] [2023-11-12 00:53:06,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:06,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:06,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:06,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:06,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:06,697 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:10,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:12,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:12,898 INFO L93 Difference]: Finished difference Result 155 states and 235 transitions. [2023-11-12 00:53:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:53:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2023-11-12 00:53:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:12,908 INFO L225 Difference]: With dead ends: 155 [2023-11-12 00:53:12,909 INFO L226 Difference]: Without dead ends: 88 [2023-11-12 00:53:12,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:12,915 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 20 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:12,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-12 00:53:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-12 00:53:12,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2023-11-12 00:53:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 49 states have internal predecessors, (64), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 116 transitions. [2023-11-12 00:53:12,941 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 116 transitions. Word has length 163 [2023-11-12 00:53:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:12,944 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 116 transitions. [2023-11-12 00:53:12,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2023-11-12 00:53:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-12 00:53:12,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:12,963 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:13,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:13,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:13,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:13,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash 967804755, now seen corresponding path program 1 times [2023-11-12 00:53:13,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:13,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785692538] [2023-11-12 00:53:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:13,179 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 [2023-11-12 00:53:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:13,182 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:53:13,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:15,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:53:15,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:53:18,739 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:18,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:18,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785692538] [2023-11-12 00:53:18,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785692538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:18,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:18,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:18,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679737068] [2023-11-12 00:53:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:18,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:18,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:18,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:18,743 INFO L87 Difference]: Start difference. First operand 77 states and 116 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:22,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:26,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:26,989 INFO L93 Difference]: Finished difference Result 225 states and 342 transitions. [2023-11-12 00:53:26,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:53:26,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2023-11-12 00:53:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:26,994 INFO L225 Difference]: With dead ends: 225 [2023-11-12 00:53:26,995 INFO L226 Difference]: Without dead ends: 151 [2023-11-12 00:53:26,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:26,998 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 20 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:26,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2023-11-12 00:53:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-12 00:53:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2023-11-12 00:53:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:53:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 226 transitions. [2023-11-12 00:53:27,037 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 226 transitions. Word has length 163 [2023-11-12 00:53:27,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:27,038 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 226 transitions. [2023-11-12 00:53:27,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:53:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2023-11-12 00:53:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 00:53:27,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:27,041 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:27,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:27,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:27,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:27,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash -7474791, now seen corresponding path program 1 times [2023-11-12 00:53:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550490432] [2023-11-12 00:53:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:27,263 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 [2023-11-12 00:53:27,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:27,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:53:27,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f6c6ae-5657-45ca-a3be-13fcaca072e0/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:53:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:29,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 00:53:29,204 INFO L285 TraceCheckSpWp]: Computing forward predicates...