./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire --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 f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:09,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:09,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:09,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:09,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:09,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:09,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:09,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:09,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:09,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:09,414 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:09,415 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:09,415 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:09,416 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:09,416 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:09,417 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:09,418 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:09,418 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:09,419 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:09,419 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:09,420 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:09,421 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:09,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:09,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:09,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:09,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:09,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:09,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:09,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:09,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:09,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:09,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:09,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:09,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:09,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:09,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:09,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:09,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:09,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:09,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:09,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:09,432 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:09,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:09,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:09,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:09,434 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:09,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:09,435 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_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 [2023-11-23 21:10:09,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:09,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:09,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:09,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:09,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:09,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:13,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:13,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:13,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:13,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/e3666518a/4821afb513c343419506115e615a0f7a/FLAGe2398c292 [2023-11-23 21:10:13,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/e3666518a/4821afb513c343419506115e615a0f7a [2023-11-23 21:10:13,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:13,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:13,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:13,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:13,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:13,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b657c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13, skipping insertion in model container [2023-11-23 21:10:13,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:13,634 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_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-23 21:10:13,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:13,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:13,741 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_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-23 21:10:13,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:13,807 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:13,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13 WrapperNode [2023-11-23 21:10:13,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:13,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:13,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:13,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:13,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,890 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-23 21:10:13,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:13,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:13,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:13,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:13,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:13,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:13,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:13,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:13,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:13,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:14,232 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:14,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:14,971 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:15,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:15,525 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:15,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:15 BoogieIcfgContainer [2023-11-23 21:10:15,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:15,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:15,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:15,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:15,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:13" (1/3) ... [2023-11-23 21:10:15,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162c99ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:15, skipping insertion in model container [2023-11-23 21:10:15,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13" (2/3) ... [2023-11-23 21:10:15,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162c99ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:15, skipping insertion in model container [2023-11-23 21:10:15,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:15" (3/3) ... [2023-11-23 21:10:15,544 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:15,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:15,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:15,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:15,665 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;@458a8cf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:15,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:10:15,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:15,695 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:15,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:15,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1427111463, now seen corresponding path program 1 times [2023-11-23 21:10:15,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662099662] [2023-11-23 21:10:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:16,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:17,386 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:17,390 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:17,391 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:17,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:17,399 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:17,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:17,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:17 BoogieIcfgContainer [2023-11-23 21:10:17,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:17,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:17,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:17,583 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:17,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:15" (3/4) ... [2023-11-23 21:10:17,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:17,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:17,591 INFO L158 Benchmark]: Toolchain (without parser) took 4207.05ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 114.4MB in the beginning and 55.9MB in the end (delta: 58.5MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2023-11-23 21:10:17,592 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:17,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.10ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 99.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:17,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.16ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 95.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:17,596 INFO L158 Benchmark]: Boogie Preprocessor took 56.25ms. Allocated memory is still 144.7MB. 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. [2023-11-23 21:10:17,600 INFO L158 Benchmark]: RCFGBuilder took 1578.90ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 110.5MB in the end (delta: -17.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:17,602 INFO L158 Benchmark]: TraceAbstraction took 2047.02ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 110.0MB in the beginning and 55.9MB in the end (delta: 54.1MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2023-11-23 21:10:17,603 INFO L158 Benchmark]: Witness Printer took 7.44ms. Allocated memory is still 184.5MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:17,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.10ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 99.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.16ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 95.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.25ms. Allocated memory is still 144.7MB. 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 1578.90ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 110.5MB in the end (delta: -17.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2047.02ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 110.0MB in the beginning and 55.9MB in the end (delta: 54.1MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Witness Printer took 7.44ms. Allocated memory is still 184.5MB. Free memory is still 55.9MB. 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 someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseOr at line 57, overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] unsigned char var_1_25 = 1; [L41] signed char var_1_26 = 50; [L42] signed char var_1_27 = 4; [L43] signed char var_1_28 = -10; [L44] signed char var_1_29 = -64; [L45] signed char var_1_30 = -8; [L46] signed long int var_1_31 = 1; [L47] float var_1_32 = 3.75; [L48] float var_1_33 = 8.5; [L49] unsigned char var_1_34 = 0; [L50] unsigned char var_1_35 = 8; [L51] unsigned short int var_1_36 = 5; [L52] signed long int last_1_var_1_5 = 5; [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L162] last_1_var_1_5 = var_1_5 [L172] RET updateLastVariables() [L173] CALL updateVariables() [L115] var_1_9 = __VERIFIER_nondet_float() [L116] 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_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L116] 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_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L117] var_1_10 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L119] var_1_11 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L121] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L122] var_1_12 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L124] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L125] var_1_13 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L127] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L128] var_1_14 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L130] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L131] var_1_18 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L133] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L134] var_1_19 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L136] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L137] var_1_23 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L139] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L140] var_1_25 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L142] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L143] var_1_26 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L145] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L146] var_1_27 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_27 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_27 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L148] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L149] var_1_28 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_28 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_28 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L151] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L152] var_1_30 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L154] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L155] var_1_33 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L157] var_1_35 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_36=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L173] RET updateVariables() [L174] CALL step() [L56] COND FALSE !(\read(var_1_25)) [L61] var_1_29 = var_1_30 [L62] var_1_31 = var_1_29 [L63] var_1_32 = var_1_33 [L64] var_1_34 = var_1_35 [L65] var_1_36 = var_1_35 [L66] COND FALSE !(var_1_9 > var_1_10) [L69] var_1_20 = var_1_8 [L70] var_1_22 = var_1_23 [L71] COND FALSE !(\read(var_1_22)) [L74] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L75] COND FALSE !(\read(var_1_22)) [L82] var_1_17 = -32 [L84] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L85] signed long int stepLocal_0 = var_1_20; [L86] COND TRUE stepLocal_1 < -200 [L87] COND FALSE !(\read(var_1_22)) [L94] var_1_1 = var_1_20 [L99] signed long int stepLocal_4 = 256; [L100] unsigned char stepLocal_3 = var_1_22; [L101] unsigned long int stepLocal_2 = var_1_15; [L102] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L105] COND FALSE !(stepLocal_3 || var_1_22) [L110] var_1_5 = -10000 [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L165] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L165] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L165] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L165] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L165] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L165-L166] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=-126, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-127, var_1_30=-127, var_1_31=-127, var_1_32=259, var_1_33=259, var_1_34=254, var_1_35=254, var_1_36=254, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=126, var_1_12=63, var_1_13=63, var_1_14=121, var_1_15=0, var_1_16=-126, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=0, var_1_26=-4, var_1_27=1, var_1_28=-4, var_1_29=-127, var_1_30=-127, var_1_31=-127, var_1_32=259, var_1_33=259, var_1_34=254, var_1_35=254, var_1_36=254, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 [2023-11-23 21:10:17,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire --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 f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:20,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:20,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:20,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:20,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:20,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:20,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:20,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:20,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:20,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:20,930 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:20,931 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:20,931 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:20,933 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:20,934 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:20,934 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:20,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:20,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:20,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:20,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:20,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:20,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:20,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:20,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:20,941 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:20,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:20,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:20,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:20,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:20,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:20,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:20,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:20,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:20,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:20,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:20,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:20,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:20,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:20,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:20,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:20,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:20,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:20,950 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:20,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:20,951 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_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 [2023-11-23 21:10:21,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:21,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:21,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:21,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:21,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:21,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:24,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:25,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:25,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:25,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/ecbfcf7cb/d01ab619fd2245f385cddac7c7c02193/FLAG68ababdb0 [2023-11-23 21:10:25,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/data/ecbfcf7cb/d01ab619fd2245f385cddac7c7c02193 [2023-11-23 21:10:25,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:25,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:25,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:25,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:25,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:25,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710637c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25, skipping insertion in model container [2023-11-23 21:10:25,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:25,338 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_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-23 21:10:25,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:25,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:25,502 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_b4fd07d5-3020-4816-b153-6801d57a90fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-23 21:10:25,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:25,626 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:25,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25 WrapperNode [2023-11-23 21:10:25,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:25,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:25,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:25,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:25,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,733 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-23 21:10:25,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:25,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:25,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:25,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:25,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:25,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:25,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:25,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:25,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:25,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:25,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:25,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:25,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:26,088 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:26,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:26,546 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:26,630 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:26,630 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:26,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:26 BoogieIcfgContainer [2023-11-23 21:10:26,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:26,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:26,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:26,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:26,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:25" (1/3) ... [2023-11-23 21:10:26,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2fc613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:26, skipping insertion in model container [2023-11-23 21:10:26,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (2/3) ... [2023-11-23 21:10:26,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2fc613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:26, skipping insertion in model container [2023-11-23 21:10:26,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:26" (3/3) ... [2023-11-23 21:10:26,641 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-23 21:10:26,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:26,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:26,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:26,729 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;@2f9035f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:26,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:10:26,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:26,761 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:26,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:26,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1998912747, now seen corresponding path program 1 times [2023-11-23 21:10:26,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:26,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720935539] [2023-11-23 21:10:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:26,782 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 [2023-11-23 21:10:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:26,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:26,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:27,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:10:27,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 804 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-23 21:10:27,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:27,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720935539] [2023-11-23 21:10:27,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720935539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:27,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:27,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:27,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794821112] [2023-11-23 21:10:27,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:27,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:27,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:27,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:27,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:27,231 INFO L87 Difference]: Start difference. First operand has 75 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:10:27,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:27,306 INFO L93 Difference]: Finished difference Result 147 states and 263 transitions. [2023-11-23 21:10:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:27,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 177 [2023-11-23 21:10:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:27,319 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:10:27,319 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:10:27,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:27,328 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:27,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:10:27,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:10:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-23 21:10:27,401 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 177 [2023-11-23 21:10:27,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:27,402 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-23 21:10:27,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:10:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-23 21:10:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:10:27,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:27,416 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:27,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:27,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:27,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:27,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:27,638 INFO L85 PathProgramCache]: Analyzing trace with hash 603145819, now seen corresponding path program 1 times [2023-11-23 21:10:27,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:27,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563128099] [2023-11-23 21:10:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:27,640 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 [2023-11-23 21:10:27,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:27,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:27,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:27,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:27,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 838 proven. 39 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2023-11-23 21:10:28,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 45 proven. 39 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:10:28,455 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:28,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563128099] [2023-11-23 21:10:28,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563128099] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:28,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1709395995] [2023-11-23 21:10:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:28,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:28,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:10:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:28,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:28,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:28,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:28,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1709395995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:28,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:10:28,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-23 21:10:28,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960983172] [2023-11-23 21:10:28,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:28,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:28,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:28,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:28,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:10:28,868 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:28,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:28,961 INFO L93 Difference]: Finished difference Result 214 states and 331 transitions. [2023-11-23 21:10:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:28,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 177 [2023-11-23 21:10:28,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:28,967 INFO L225 Difference]: With dead ends: 214 [2023-11-23 21:10:28,967 INFO L226 Difference]: Without dead ends: 142 [2023-11-23 21:10:28,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 520 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:10:28,970 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 104 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:28,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 301 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-23 21:10:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 81. [2023-11-23 21:10:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 123 transitions. [2023-11-23 21:10:29,002 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 123 transitions. Word has length 177 [2023-11-23 21:10:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:29,005 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 123 transitions. [2023-11-23 21:10:29,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-11-23 21:10:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:10:29,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:29,010 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:29,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:29,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:29,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:29,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:29,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 210118809, now seen corresponding path program 1 times [2023-11-23 21:10:29,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:29,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112869228] [2023-11-23 21:10:29,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:29,420 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 [2023-11-23 21:10:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:29,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:29,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:29,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:10:29,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:30,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:30,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112869228] [2023-11-23 21:10:30,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112869228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:30,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:30,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:30,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254157413] [2023-11-23 21:10:30,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:30,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:10:30,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:30,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:10:30,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:30,120 INFO L87 Difference]: Start difference. First operand 81 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:30,601 INFO L93 Difference]: Finished difference Result 294 states and 451 transitions. [2023-11-23 21:10:30,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:10:30,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 177 [2023-11-23 21:10:30,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:30,608 INFO L225 Difference]: With dead ends: 294 [2023-11-23 21:10:30,608 INFO L226 Difference]: Without dead ends: 214 [2023-11-23 21:10:30,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:10:30,612 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 141 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:30,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 519 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:10:30,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-23 21:10:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 157. [2023-11-23 21:10:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 96 states have (on average 1.28125) internal successors, (123), 96 states have internal predecessors, (123), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:10:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 239 transitions. [2023-11-23 21:10:30,653 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 239 transitions. Word has length 177 [2023-11-23 21:10:30,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:30,655 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 239 transitions. [2023-11-23 21:10:30,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 239 transitions. [2023-11-23 21:10:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-23 21:10:30,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:30,661 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:30,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:30,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:30,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:30,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:30,869 INFO L85 PathProgramCache]: Analyzing trace with hash 702474437, now seen corresponding path program 1 times [2023-11-23 21:10:30,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:30,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995577510] [2023-11-23 21:10:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:30,874 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 [2023-11-23 21:10:30,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:30,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:30,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:10:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:31,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:31,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 838 proven. 39 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2023-11-23 21:10:31,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 45 proven. 39 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:10:31,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:31,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995577510] [2023-11-23 21:10:31,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995577510] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [918869101] [2023-11-23 21:10:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:31,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:31,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:10:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:32,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:10:32,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:32,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:32,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [918869101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:32,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:10:32,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 11 [2023-11-23 21:10:32,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919084852] [2023-11-23 21:10:32,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:32,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:10:32,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:32,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:10:32,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:10:32,342 INFO L87 Difference]: Start difference. First operand 157 states and 239 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:33,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:33,235 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2023-11-23 21:10:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:10:33,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 178 [2023-11-23 21:10:33,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:33,241 INFO L225 Difference]: With dead ends: 372 [2023-11-23 21:10:33,242 INFO L226 Difference]: Without dead ends: 292 [2023-11-23 21:10:33,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 522 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:10:33,243 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 174 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:33,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 751 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:10:33,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-23 21:10:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 233. [2023-11-23 21:10:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 142 states have (on average 1.2816901408450705) internal successors, (182), 142 states have internal predecessors, (182), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-23 21:10:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 356 transitions. [2023-11-23 21:10:33,317 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 356 transitions. Word has length 178 [2023-11-23 21:10:33,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:33,319 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 356 transitions. [2023-11-23 21:10:33,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 356 transitions. [2023-11-23 21:10:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-23 21:10:33,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:33,322 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:33,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:33,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:33,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:33,727 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:33,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1765421424, now seen corresponding path program 1 times [2023-11-23 21:10:33,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:33,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306798034] [2023-11-23 21:10:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:33,730 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 [2023-11-23 21:10:33,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:33,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:33,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:10:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:33,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:33,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:34,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:34,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306798034] [2023-11-23 21:10:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306798034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:34,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605407739] [2023-11-23 21:10:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:10:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:34,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:10:34,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:34,979 INFO L87 Difference]: Start difference. First operand 233 states and 356 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:35,439 INFO L93 Difference]: Finished difference Result 549 states and 834 transitions. [2023-11-23 21:10:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:10:35,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 178 [2023-11-23 21:10:35,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:35,447 INFO L225 Difference]: With dead ends: 549 [2023-11-23 21:10:35,448 INFO L226 Difference]: Without dead ends: 317 [2023-11-23 21:10:35,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:10:35,451 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 67 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:35,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 348 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:10:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-23 21:10:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 309. [2023-11-23 21:10:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 188 states have (on average 1.2659574468085106) internal successors, (238), 188 states have internal predecessors, (238), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-23 21:10:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 470 transitions. [2023-11-23 21:10:35,532 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 470 transitions. Word has length 178 [2023-11-23 21:10:35,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:35,533 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 470 transitions. [2023-11-23 21:10:35,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 470 transitions. [2023-11-23 21:10:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 21:10:35,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:35,536 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:35,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-23 21:10:35,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:35,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:35,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1105641082, now seen corresponding path program 1 times [2023-11-23 21:10:35,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:35,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032139086] [2023-11-23 21:10:35,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:35,745 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 [2023-11-23 21:10:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:35,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:35,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fd07d5-3020-4816-b153-6801d57a90fd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 21:10:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:36,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 21:10:36,354 INFO L285 TraceCheckSpWp]: Computing forward predicates...