./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje --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 bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:34:53,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:34:53,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:34:53,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:34:53,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:34:53,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:34:53,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:34:53,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:34:53,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:34:53,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:34:53,417 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:34:53,418 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:34:53,418 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:34:53,418 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:34:53,420 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:34:53,421 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:34:53,421 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:34:53,422 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:34:53,422 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:34:53,426 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:34:53,426 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:34:53,427 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:34:53,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:34:53,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:34:53,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:34:53,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:34:53,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:34:53,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:34:53,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:34:53,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:34:53,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:34:53,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:34:53,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:34:53,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:34:53,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:34:53,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:34:53,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:34:53,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:34:53,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:34:53,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:34:53,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:34:53,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:34:53,440 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:34:53,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:34:53,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:34:53,441 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:34:53,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:34:53,442 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_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a [2024-11-09 04:34:53,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:34:53,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:34:53,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:34:53,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:34:53,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:34:53,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i Unable to find full path for "g++" [2024-11-09 04:34:55,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:34:56,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:34:56,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-09 04:34:56,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/b9faee70a/ffe90c5c03044237987a2a60e55bf67e/FLAGc35b11864 [2024-11-09 04:34:56,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/b9faee70a/ffe90c5c03044237987a2a60e55bf67e [2024-11-09 04:34:56,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:34:56,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:34:56,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:34:56,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:34:56,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:34:56,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5486e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56, skipping insertion in model container [2024-11-09 04:34:56,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:34:56,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-09 04:34:56,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:34:56,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:34:56,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-09 04:34:56,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:34:56,517 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:34:56,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56 WrapperNode [2024-11-09 04:34:56,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:34:56,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:34:56,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:34:56,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:34:56,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,601 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-09 04:34:56,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:34:56,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:34:56,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:34:56,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:34:56,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:34:56,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:34:56,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:34:56,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:34:56,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (1/1) ... [2024-11-09 04:34:56,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:34:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:34:56,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:34:56,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:34:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:34:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:34:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:34:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:34:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:34:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:34:56,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:34:56,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:34:57,559 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 04:34:57,559 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:34:57,914 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:34:57,917 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:34:57,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:57 BoogieIcfgContainer [2024-11-09 04:34:57,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:34:57,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:34:57,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:34:57,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:34:57,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:34:56" (1/3) ... [2024-11-09 04:34:57,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325c12c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:34:57, skipping insertion in model container [2024-11-09 04:34:57,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:56" (2/3) ... [2024-11-09 04:34:57,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325c12c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:34:57, skipping insertion in model container [2024-11-09 04:34:57,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:57" (3/3) ... [2024-11-09 04:34:57,934 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-09 04:34:57,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:34:57,958 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:34:58,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:34:58,058 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76a29bef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:34:58,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:34:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:34:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:34:58,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:58,075 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:58,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:58,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:58,083 INFO L85 PathProgramCache]: Analyzing trace with hash -829226086, now seen corresponding path program 1 times [2024-11-09 04:34:58,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:58,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820818165] [2024-11-09 04:34:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:58,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:34:58,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036528630] [2024-11-09 04:34:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:58,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:34:58,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:34:58,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:34:58,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:34:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:34:59,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:34:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:34:59,592 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:34:59,595 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:34:59,596 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:34:59,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:34:59,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:34:59,810 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:34:59,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:34:59,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:34:59 BoogieIcfgContainer [2024-11-09 04:34:59,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:34:59,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:34:59,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:34:59,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:34:59,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:57" (3/4) ... [2024-11-09 04:34:59,927 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:34:59,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:34:59,929 INFO L158 Benchmark]: Toolchain (without parser) took 3810.27ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 86.3MB in the end (delta: 41.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,930 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 169.9MB. Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:34:59,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.09ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 110.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.92ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 106.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,932 INFO L158 Benchmark]: Boogie Preprocessor took 42.92ms. Allocated memory is still 169.9MB. Free memory was 106.3MB in the beginning and 104.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,932 INFO L158 Benchmark]: RCFGBuilder took 1269.67ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 93.3MB in the end (delta: 10.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,933 INFO L158 Benchmark]: TraceAbstraction took 2002.05ms. Allocated memory is still 169.9MB. Free memory was 92.3MB in the beginning and 86.6MB in the end (delta: 5.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-09 04:34:59,933 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 169.9MB. Free memory was 86.6MB in the beginning and 86.3MB in the end (delta: 312.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:34:59,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 169.9MB. Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.09ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 110.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.92ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 106.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.92ms. Allocated memory is still 169.9MB. Free memory was 106.3MB in the beginning and 104.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1269.67ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 93.3MB in the end (delta: 10.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2002.05ms. Allocated memory is still 169.9MB. Free memory was 92.3MB in the beginning and 86.6MB in the end (delta: 5.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 169.9MB. Free memory was 86.6MB in the beginning and 86.3MB in the end (delta: 312.1kB). 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 68, overapproximation of bitwiseOr at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] signed short int var_1_29 = 10; [L41] double var_1_33 = 7.125; [L42] float var_1_34 = 0.75; [L43] float var_1_35 = 25.5; [L44] float var_1_36 = 9.038; [L45] float var_1_39 = 128.5; [L46] float var_1_41 = 15.25; [L47] float var_1_42 = 64.5; [L48] float var_1_43 = 256.3; [L49] unsigned long int var_1_44 = 32; [L50] double var_1_45 = 63.25; [L51] unsigned char last_1_var_1_15 = 8; [L176] isInitial = 1 [L177] FCALL initially() [L178] COND TRUE 1 [L179] CALL updateLastVariables() [L169] last_1_var_1_15 = var_1_15 [L179] RET updateLastVariables() [L180] CALL updateVariables() [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L137] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L140] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L141] var_1_11 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L143] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L144] var_1_12 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L146] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L147] var_1_14 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L149] var_1_16 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L151] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L152] var_1_18 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L154] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L155] var_1_34 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L157] var_1_35 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L159] var_1_36 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L161] var_1_41 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L163] var_1_42 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L165] var_1_43 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L180] RET updateVariables() [L181] CALL step() [L55] unsigned char stepLocal_1 = ! var_1_5; [L56] COND TRUE stepLocal_1 || (var_1_12 < last_1_var_1_15) [L57] COND FALSE !(! var_1_5) [L60] var_1_13 = var_1_14 [L63] COND TRUE (127.35 + var_1_13) <= var_1_13 [L64] COND TRUE 4.5 <= (var_1_13 * var_1_13) [L65] var_1_6 = var_1_5 [L68] COND TRUE (- var_1_13) > 31.9f [L69] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) [L73] COND TRUE \read(var_1_1) [L74] var_1_15 = var_1_16 [L76] var_1_22 = 1 [L77] var_1_23 = var_1_22 [L78] unsigned long int stepLocal_0 = var_1_23; [L79] COND TRUE var_1_15 > stepLocal_0 [L80] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) [L82] unsigned char stepLocal_2 = var_1_23 < var_1_15; [L83] COND TRUE var_1_1 || stepLocal_2 [L84] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) [L88] signed long int stepLocal_3 = -10; [L89] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) [L92] COND FALSE !(! (var_1_17 <= var_1_17)) [L95] var_1_20 = var_1_12 [L98] COND TRUE 32.2f > (25.5f - ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L99] var_1_24 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L101] var_1_27 = var_1_16 [L102] COND FALSE !(var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13)))) [L109] COND TRUE var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36) [L110] COND TRUE (((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) - var_1_16) > var_1_11 [L111] COND FALSE !(var_1_16 < var_1_15) [L114] var_1_33 = var_1_14 [L120] COND TRUE \read(var_1_5) [L121] var_1_39 = var_1_14 [L127] COND TRUE ((var_1_14 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35 [L128] var_1_44 = ((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) [L130] COND TRUE \read(var_1_5) [L131] var_1_45 = (((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) + var_1_42) [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=20001/2, var_1_14=20001/2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=-127, var_1_22=1, var_1_23=1, var_1_24=16384, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=20001/2, var_1_44=16384, var_1_45=0, var_1_4=1, var_1_5=-255, var_1_6=-255, var_1_8=-127] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=-127, var_1_13=20001/2, var_1_14=20001/2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=-127, var_1_22=1, var_1_23=1, var_1_24=16384, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=20001/2, var_1_44=16384, var_1_45=0, var_1_4=1, var_1_5=-255, var_1_6=-255, var_1_8=-127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 19, 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=41occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:34:59,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje --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 bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:35:02,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:35:02,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:35:02,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:35:02,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:35:02,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:35:02,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:35:02,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:35:02,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:35:02,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:35:02,760 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:35:02,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:35:02,760 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:35:02,764 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:35:02,765 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:35:02,765 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:35:02,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:35:02,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:35:02,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:35:02,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:35:02,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:35:02,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:35:02,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:35:02,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:35:02,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:35:02,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:35:02,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:35:02,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:35:02,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:35:02,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:35:02,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:35:02,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:35:02,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:35:02,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:35:02,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:35:02,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:35:02,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:35:02,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:35:02,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:35:02,775 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:35:02,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:02,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:35:02,776 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:35:02,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a [2024-11-09 04:35:03,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:35:03,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:35:03,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:35:03,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:35:03,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:35:03,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i Unable to find full path for "g++" [2024-11-09 04:35:05,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:35:05,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:35:05,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-09 04:35:05,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/75ed7cd56/28c37044a2cd45a696ff3dadedb1c9b9/FLAG2b782dc7e [2024-11-09 04:35:06,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/data/75ed7cd56/28c37044a2cd45a696ff3dadedb1c9b9 [2024-11-09 04:35:06,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:35:06,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:35:06,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:35:06,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:35:06,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:35:06,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3078e341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06, skipping insertion in model container [2024-11-09 04:35:06,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:35:06,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-09 04:35:06,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:35:06,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:35:06,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-09 04:35:06,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:35:06,585 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:35:06,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06 WrapperNode [2024-11-09 04:35:06,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:35:06,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:35:06,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:35:06,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:35:06,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,673 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-09 04:35:06,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:35:06,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:35:06,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:35:06,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:35:06,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:35:06,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:35:06,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:35:06,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:35:06,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (1/1) ... [2024-11-09 04:35:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:35:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:35:06,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:35:06,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:35:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:35:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:35:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:35:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:35:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:35:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:35:06,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:35:06,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:35:11,760 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 04:35:11,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:35:11,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:35:11,782 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:35:11,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:35:11 BoogieIcfgContainer [2024-11-09 04:35:11,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:35:11,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:35:11,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:35:11,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:35:11,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:35:06" (1/3) ... [2024-11-09 04:35:11,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba8be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:35:11, skipping insertion in model container [2024-11-09 04:35:11,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:35:06" (2/3) ... [2024-11-09 04:35:11,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba8be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:35:11, skipping insertion in model container [2024-11-09 04:35:11,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:35:11" (3/3) ... [2024-11-09 04:35:11,808 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-09 04:35:11,831 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:35:11,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:35:11,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:35:11,918 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3493e16b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:35:11,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:35:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:35:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:35:11,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:11,940 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:11,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:11,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2016472203, now seen corresponding path program 1 times [2024-11-09 04:35:11,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:11,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551794833] [2024-11-09 04:35:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:11,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:11,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:11,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:35:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:12,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:35:12,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-09 04:35:12,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:12,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551794833] [2024-11-09 04:35:12,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551794833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:12,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:35:12,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:35:12,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142492748] [2024-11-09 04:35:12,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:12,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:35:12,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:12,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:35:12,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:35:12,768 INFO L87 Difference]: Start difference. First operand has 75 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:35:12,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:12,819 INFO L93 Difference]: Finished difference Result 143 states and 245 transitions. [2024-11-09 04:35:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:35:12,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-11-09 04:35:12,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:12,833 INFO L225 Difference]: With dead ends: 143 [2024-11-09 04:35:12,834 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 04:35:12,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:35:12,841 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:12,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:35:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 04:35:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 04:35:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:35:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2024-11-09 04:35:12,900 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 134 [2024-11-09 04:35:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:12,901 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2024-11-09 04:35:12,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:35:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-09 04:35:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:35:12,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:12,907 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:12,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:35:13,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:13,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:13,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:13,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2073787523, now seen corresponding path program 1 times [2024-11-09 04:35:13,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:13,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103120164] [2024-11-09 04:35:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:13,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:13,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:13,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:13,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:35:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:13,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:35:13,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:35:15,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:15,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:15,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103120164] [2024-11-09 04:35:15,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103120164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:15,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:35:15,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:35:15,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114652100] [2024-11-09 04:35:15,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:15,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:35:15,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:15,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:35:15,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:35:15,772 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:22,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:23,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:25,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:25,935 INFO L93 Difference]: Finished difference Result 206 states and 316 transitions. [2024-11-09 04:35:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:35:25,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-09 04:35:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:25,939 INFO L225 Difference]: With dead ends: 206 [2024-11-09 04:35:25,939 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 04:35:25,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:35:25,942 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 40 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:25,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 184 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-09 04:35:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 04:35:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-11-09 04:35:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:35:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 205 transitions. [2024-11-09 04:35:25,966 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 205 transitions. Word has length 134 [2024-11-09 04:35:25,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:25,967 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 205 transitions. [2024-11-09 04:35:25,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2024-11-09 04:35:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:35:25,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:25,970 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:25,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 04:35:26,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:26,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:26,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:26,173 INFO L85 PathProgramCache]: Analyzing trace with hash 500286526, now seen corresponding path program 1 times [2024-11-09 04:35:26,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:26,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875344389] [2024-11-09 04:35:26,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:26,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:26,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:26,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:26,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 04:35:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:26,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:35:26,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-09 04:35:27,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:35:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:35:28,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875344389] [2024-11-09 04:35:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875344389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:35:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [8991845] [2024-11-09 04:35:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:35:28,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:35:28,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 04:35:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:28,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:35:28,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:35:28,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:28,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [8991845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:28,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:35:28,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-09 04:35:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203093676] [2024-11-09 04:35:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:28,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:35:28,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:28,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:35:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:35:28,925 INFO L87 Difference]: Start difference. First operand 135 states and 205 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:30,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:30,913 INFO L93 Difference]: Finished difference Result 397 states and 605 transitions. [2024-11-09 04:35:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:35:30,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-09 04:35:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:30,918 INFO L225 Difference]: With dead ends: 397 [2024-11-09 04:35:30,918 INFO L226 Difference]: Without dead ends: 265 [2024-11-09 04:35:30,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:35:30,921 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:30,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 272 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 04:35:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-09 04:35:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 143. [2024-11-09 04:35:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:35:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 215 transitions. [2024-11-09 04:35:30,972 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 215 transitions. Word has length 135 [2024-11-09 04:35:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:30,976 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 215 transitions. [2024-11-09 04:35:30,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 215 transitions. [2024-11-09 04:35:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:35:30,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:30,982 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:31,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 04:35:31,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:31,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:31,384 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:31,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:31,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1511403776, now seen corresponding path program 1 times [2024-11-09 04:35:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:31,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766797240] [2024-11-09 04:35:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:31,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:31,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:31,388 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:31,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:35:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:31,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:35:31,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-09 04:35:32,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:35:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:35:33,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:33,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766797240] [2024-11-09 04:35:33,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766797240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:35:33,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1672412542] [2024-11-09 04:35:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:33,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:35:33,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:35:33,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 04:35:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:33,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:35:33,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:35:34,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:34,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1672412542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:34,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:35:34,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-09 04:35:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735337305] [2024-11-09 04:35:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:34,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:35:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:34,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:35:34,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:35:34,112 INFO L87 Difference]: Start difference. First operand 143 states and 215 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:37,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:38,008 INFO L93 Difference]: Finished difference Result 338 states and 504 transitions. [2024-11-09 04:35:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:35:38,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-09 04:35:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:38,012 INFO L225 Difference]: With dead ends: 338 [2024-11-09 04:35:38,013 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 04:35:38,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:35:38,015 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 37 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:38,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 232 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 04:35:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 04:35:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2024-11-09 04:35:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 147 states have (on average 1.3741496598639455) internal successors, (202), 149 states have internal predecessors, (202), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 04:35:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 286 transitions. [2024-11-09 04:35:38,049 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 286 transitions. Word has length 135 [2024-11-09 04:35:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:38,053 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 286 transitions. [2024-11-09 04:35:38,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 286 transitions. [2024-11-09 04:35:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:35:38,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:38,061 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:38,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 04:35:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:35:38,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:38,462 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:38,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1934105602, now seen corresponding path program 1 times [2024-11-09 04:35:38,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418259061] [2024-11-09 04:35:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:38,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:38,467 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:38,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 04:35:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:39,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:35:39,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:35:39,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:39,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:39,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418259061] [2024-11-09 04:35:39,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418259061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:39,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:35:39,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:35:39,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589188413] [2024-11-09 04:35:39,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:39,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:35:39,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:35:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:35:39,203 INFO L87 Difference]: Start difference. First operand 194 states and 286 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:41,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:35:43,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:35:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:35:47,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:35:48,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:35:51,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:51,319 INFO L93 Difference]: Finished difference Result 409 states and 608 transitions. [2024-11-09 04:35:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:35:51,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-09 04:35:51,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:51,334 INFO L225 Difference]: With dead ends: 409 [2024-11-09 04:35:51,334 INFO L226 Difference]: Without dead ends: 300 [2024-11-09 04:35:51,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:35:51,336 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 91 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:51,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 292 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2024-11-09 04:35:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-09 04:35:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2024-11-09 04:35:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 227 states have (on average 1.3744493392070485) internal successors, (312), 230 states have internal predecessors, (312), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 60 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 04:35:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 438 transitions. [2024-11-09 04:35:51,383 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 438 transitions. Word has length 135 [2024-11-09 04:35:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:51,384 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 438 transitions. [2024-11-09 04:35:51,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:35:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 438 transitions. [2024-11-09 04:35:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:35:51,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:51,387 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:51,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:51,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:51,588 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:51,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash 245161860, now seen corresponding path program 1 times [2024-11-09 04:35:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:51,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542275203] [2024-11-09 04:35:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:51,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:51,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:51,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:35:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:52,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:35:52,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 360 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:35:55,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:35:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:35:56,072 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:56,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542275203] [2024-11-09 04:35:56,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542275203] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:35:56,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2125627606] [2024-11-09 04:35:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:56,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:56,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:35:56,077 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:35:56,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 04:35:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:57,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:35:57,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:35:57,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:57,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2125627606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:57,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:35:57,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 13 [2024-11-09 04:35:57,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485759717] [2024-11-09 04:35:57,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:57,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:35:57,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:35:57,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:35:57,815 INFO L87 Difference]: Start difference. First operand 297 states and 438 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:36:03,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:05,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:08,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:10,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:36:11,195 INFO L93 Difference]: Finished difference Result 685 states and 1001 transitions. [2024-11-09 04:36:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:36:11,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-09 04:36:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:36:11,200 INFO L225 Difference]: With dead ends: 685 [2024-11-09 04:36:11,200 INFO L226 Difference]: Without dead ends: 469 [2024-11-09 04:36:11,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:36:11,202 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 93 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:36:11,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 351 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2024-11-09 04:36:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-09 04:36:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 427. [2024-11-09 04:36:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 333 states have (on average 1.3693693693693694) internal successors, (456), 340 states have internal predecessors, (456), 83 states have call successors, (83), 10 states have call predecessors, (83), 10 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 04:36:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 622 transitions. [2024-11-09 04:36:11,239 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 622 transitions. Word has length 135 [2024-11-09 04:36:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:36:11,239 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 622 transitions. [2024-11-09 04:36:11,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:36:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 622 transitions. [2024-11-09 04:36:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:36:11,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:36:11,242 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:36:11,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 04:36:11,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 04:36:11,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:11,643 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:36:11,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:36:11,644 INFO L85 PathProgramCache]: Analyzing trace with hash 302420162, now seen corresponding path program 1 times [2024-11-09 04:36:11,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:36:11,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804873093] [2024-11-09 04:36:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:11,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:36:11,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:36:11,648 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:36:11,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 04:36:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:12,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:36:12,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 360 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:36:14,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:36:15,801 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:36:15,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804873093] [2024-11-09 04:36:15,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804873093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:36:15,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [654105896] [2024-11-09 04:36:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:15,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:36:15,811 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:36:15,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 04:36:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:17,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:36:17,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:36:19,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:36:20,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [654105896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:36:20,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803425309] [2024-11-09 04:36:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:20,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:36:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:36:20,471 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:36:20,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 04:36:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:20,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:36:20,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:36:22,904 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:36:22,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803425309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:36:22,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 04:36:22,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6] total 14 [2024-11-09 04:36:22,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257801427] [2024-11-09 04:36:22,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:36:22,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:36:22,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:36:22,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:36:22,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 04:36:22,907 INFO L87 Difference]: Start difference. First operand 427 states and 622 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:36:24,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:31,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:35,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:36:37,420 INFO L93 Difference]: Finished difference Result 921 states and 1334 transitions. [2024-11-09 04:36:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:36:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-09 04:36:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:36:37,447 INFO L225 Difference]: With dead ends: 921 [2024-11-09 04:36:37,447 INFO L226 Difference]: Without dead ends: 579 [2024-11-09 04:36:37,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 657 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-09 04:36:37,450 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 170 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:36:37,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 298 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-11-09 04:36:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-09 04:36:37,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 569. [2024-11-09 04:36:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 440 states have (on average 1.3477272727272727) internal successors, (593), 450 states have internal predecessors, (593), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 104 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 04:36:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 821 transitions. [2024-11-09 04:36:37,506 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 821 transitions. Word has length 135 [2024-11-09 04:36:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:36:37,507 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 821 transitions. [2024-11-09 04:36:37,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:36:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 821 transitions. [2024-11-09 04:36:37,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:36:37,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:36:37,511 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:36:37,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 04:36:37,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 04:36:37,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:36:38,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:36:38,112 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:36:38,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:36:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1003484740, now seen corresponding path program 1 times [2024-11-09 04:36:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:36:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530023644] [2024-11-09 04:36:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:36:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:36:38,118 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:36:38,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 (14)] Waiting until timeout for monitored process [2024-11-09 04:36:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:38,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:36:38,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 360 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:36:41,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:36:42,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:36:42,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530023644] [2024-11-09 04:36:42,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530023644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:36:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1155324937] [2024-11-09 04:36:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:42,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:42,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:36:42,319 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:36:42,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 04:36:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:44,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:36:44,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:36:46,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:36:47,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1155324937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:36:47,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704503069] [2024-11-09 04:36:47,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:36:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:36:47,609 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:36:47,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 04:36:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:48,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:36:48,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-09 04:36:50,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:36:51,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704503069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:36:51,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:36:51,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2024-11-09 04:36:51,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560089455] [2024-11-09 04:36:51,001 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:36:51,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:36:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:36:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:36:51,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:36:51,004 INFO L87 Difference]: Start difference. First operand 569 states and 821 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2024-11-09 04:36:55,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:56,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:58,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:01,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:03,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:07,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:08,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:08,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:08,845 INFO L93 Difference]: Finished difference Result 1028 states and 1479 transitions. [2024-11-09 04:37:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:37:08,878 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 135 [2024-11-09 04:37:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:08,883 INFO L225 Difference]: With dead ends: 1028 [2024-11-09 04:37:08,883 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 04:37:08,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 792 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-09 04:37:08,886 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 279 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 136 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:08,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 202 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 224 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2024-11-09 04:37:08,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 04:37:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 428. [2024-11-09 04:37:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 331 states have (on average 1.3413897280966767) internal successors, (444), 338 states have internal predecessors, (444), 83 states have call successors, (83), 13 states have call predecessors, (83), 13 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 04:37:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2024-11-09 04:37:08,933 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 135 [2024-11-09 04:37:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:08,934 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2024-11-09 04:37:08,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2024-11-09 04:37:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2024-11-09 04:37:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:37:08,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:08,937 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:08,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 (14)] Ended with exit code 0 [2024-11-09 04:37:09,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 04:37:09,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 04:37:09,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:09,538 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:09,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash 789562743, now seen corresponding path program 1 times [2024-11-09 04:37:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:37:09,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911061749] [2024-11-09 04:37:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:09,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:37:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:37:09,541 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:37:09,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9d4ccc-1d35-4449-8159-e81925deab20/bin/utaipan-verify-YMUCfTKeje/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 (17)] Waiting until timeout for monitored process [2024-11-09 04:37:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:10,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:37:10,063 INFO L278 TraceCheckSpWp]: Computing forward predicates...