./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:51:23,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:51:23,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:51:23,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:51:23,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:51:23,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:51:23,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:51:23,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:51:23,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:51:23,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:51:23,852 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:51:23,852 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:51:23,852 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:51:23,853 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:51:23,855 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:51:23,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:51:23,856 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:51:23,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:51:23,856 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:51:23,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:51:23,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:51:23,862 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:51:23,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:51:23,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:51:23,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:51:23,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:51:23,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:51:23,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:51:23,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:51:23,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:51:23,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:51:23,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:51:23,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:51:23,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:51:23,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:51:23,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:51:23,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:51:23,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:51:23,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:51:23,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:51:23,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:51:23,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:51:23,870 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:51:23,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:51:23,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:51:23,871 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:51:23,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:51:23,871 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a [2024-11-09 04:51:24,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:51:24,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:51:24,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:51:24,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:51:24,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:51:24,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i Unable to find full path for "g++" [2024-11-09 04:51:26,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:51:26,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:51:26,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2024-11-09 04:51:26,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/202475ba7/59142a50d109481294e525c7a6a1e3d0/FLAG873101303 [2024-11-09 04:51:27,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/202475ba7/59142a50d109481294e525c7a6a1e3d0 [2024-11-09 04:51:27,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:51:27,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:51:27,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:51:27,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:51:27,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:51:27,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc01b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27, skipping insertion in model container [2024-11-09 04:51:27,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:51:27,279 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2024-11-09 04:51:27,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:51:27,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:51:27,418 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2024-11-09 04:51:27,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:51:27,521 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:51:27,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27 WrapperNode [2024-11-09 04:51:27,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:51:27,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:51:27,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:51:27,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:51:27,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,594 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2024-11-09 04:51:27,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:51:27,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:51:27,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:51:27,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:51:27,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:51:27,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:51:27,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:51:27,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:51:27,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (1/1) ... [2024-11-09 04:51:27,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:51:27,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:27,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:51:27,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:51:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:51:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:51:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:51:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:51:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:51:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:51:27,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:51:27,921 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:51:28,544 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 04:51:28,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:51:28,990 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:51:28,992 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:51:28,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:51:28 BoogieIcfgContainer [2024-11-09 04:51:28,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:51:28,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:51:28,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:51:29,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:51:29,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:51:27" (1/3) ... [2024-11-09 04:51:29,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46337666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:51:29, skipping insertion in model container [2024-11-09 04:51:29,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:27" (2/3) ... [2024-11-09 04:51:29,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46337666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:51:29, skipping insertion in model container [2024-11-09 04:51:29,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:51:28" (3/3) ... [2024-11-09 04:51:29,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-25.i [2024-11-09 04:51:29,027 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:51:29,027 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:51:29,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:51:29,118 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;@7b12baf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:51:29,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:51:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 04:51:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 04:51:29,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:29,137 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:29,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:29,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash 869818263, now seen corresponding path program 1 times [2024-11-09 04:51:29,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:51:29,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323519382] [2024-11-09 04:51:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:29,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:51:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:51:30,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060402774] [2024-11-09 04:51:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:30,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:51:30,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:30,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:51:30,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:51:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:51:31,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:51:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:51:32,144 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:51:32,147 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:51:32,150 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:51:32,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:32,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:51:32,357 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:51:32,471 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:51:32,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:51:32 BoogieIcfgContainer [2024-11-09 04:51:32,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:51:32,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:51:32,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:51:32,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:51:32,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:51:28" (3/4) ... [2024-11-09 04:51:32,480 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:51:32,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:51:32,484 INFO L158 Benchmark]: Toolchain (without parser) took 5446.50ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 113.3MB in the beginning and 79.2MB in the end (delta: 34.2MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,484 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:51:32,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 95.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.69ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 91.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,486 INFO L158 Benchmark]: Boogie Preprocessor took 73.59ms. Allocated memory is still 151.0MB. Free memory was 91.1MB in the beginning and 88.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,487 INFO L158 Benchmark]: RCFGBuilder took 1321.62ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 88.6MB in the beginning and 135.4MB in the end (delta: -46.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,488 INFO L158 Benchmark]: TraceAbstraction took 3478.88ms. Allocated memory is still 207.6MB. Free memory was 135.4MB in the beginning and 80.2MB in the end (delta: 55.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-09 04:51:32,489 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 207.6MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:51:32,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 95.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.69ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 91.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.59ms. Allocated memory is still 151.0MB. Free memory was 91.1MB in the beginning and 88.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1321.62ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 88.6MB in the beginning and 135.4MB in the end (delta: -46.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3478.88ms. Allocated memory is still 207.6MB. Free memory was 135.4MB in the beginning and 80.2MB in the end (delta: 55.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 207.6MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryArithmeticDOUBLEoperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -256; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] double var_1_7 = 256.25; [L27] double var_1_8 = 127.8; [L28] signed short int var_1_10 = -2; [L29] signed short int var_1_11 = 5; [L30] signed short int var_1_12 = 16; [L31] unsigned long int var_1_13 = 1000000000; [L32] signed long int var_1_14 = -100000000; [L33] double var_1_16 = 50.8; [L34] double var_1_17 = 2.2; [L35] double var_1_18 = 2.675; [L36] double var_1_19 = 100.5; [L37] unsigned short int var_1_20 = 46250; [L38] double var_1_21 = 99999999999.75; [L39] double var_1_22 = 32.4; [L40] double var_1_23 = 15.25; [L41] signed short int var_1_24 = -100; [L42] signed char var_1_25 = -1; [L43] unsigned short int var_1_26 = 128; [L44] unsigned long int var_1_27 = 8; [L45] signed short int var_1_28 = -4; [L46] unsigned long int var_1_29 = 100; [L47] unsigned long int var_1_30 = 100; [L48] unsigned long int var_1_31 = 1000000000; [L49] double var_1_32 = 0.0; [L50] signed long int last_1_var_1_1 = -64; [L51] signed long int last_1_var_1_14 = -100000000; [L52] double last_1_var_1_16 = 50.8; [L53] signed short int last_1_var_1_24 = -100; [L54] signed short int last_1_var_1_28 = -4; [L55] unsigned long int last_1_var_1_29 = 100; [L56] unsigned long int last_1_var_1_30 = 100; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_14 = var_1_14 [L186] last_1_var_1_16 = var_1_16 [L187] last_1_var_1_24 = var_1_24 [L188] last_1_var_1_28 = var_1_28 [L189] last_1_var_1_29 = var_1_29 [L190] last_1_var_1_30 = var_1_30 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L146] var_1_6 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_7=1025/4, var_1_8=639/5] [L148] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255, var_1_7=1025/4, var_1_8=639/5] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255, var_1_8=639/5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255, var_1_8=639/5] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L153] var_1_10 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_10 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_10 >= -16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L155] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L156] var_1_11 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L158] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L159] var_1_12 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L161] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L162] var_1_17 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L164] var_1_18 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L169] var_1_21 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L171] var_1_22 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L173] var_1_23 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L175] var_1_25 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_25 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_25 >= -128) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L177] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L178] CALL assume_abort_if_not(var_1_25 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_25 != 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L179] var_1_31 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_31 >= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3758096383, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 >= 536870912) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3758096383, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L181] CALL assume_abort_if_not(var_1_31 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3758096383, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_31 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=-32768, var_1_24=-100, var_1_25=4, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=-3758096383, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=-255] [L201] RET updateVariables() [L202] CALL step() [L60] unsigned char stepLocal_2 = var_1_6; [L61] COND TRUE var_1_5 && stepLocal_2 [L62] var_1_4 = ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))) [L70] unsigned char stepLocal_6 = (var_1_12 / var_1_25) != (last_1_var_1_1 * 16); [L71] COND TRUE stepLocal_6 && var_1_6 [L72] COND TRUE \read(var_1_6) [L73] var_1_26 = var_1_12 [L80] signed long int stepLocal_5 = var_1_20 / var_1_25; [L81] COND TRUE stepLocal_5 > var_1_26 [L82] var_1_24 = var_1_11 [L84] unsigned short int stepLocal_7 = var_1_26; [L85] COND FALSE !((last_1_var_1_28 + (- var_1_10)) > stepLocal_7) [L88] signed long int stepLocal_4 = 128; [L89] signed short int stepLocal_3 = var_1_4; [L90] COND FALSE !(var_1_26 <= stepLocal_3) [L97] var_1_19 = var_1_22 [L99] COND TRUE (~ var_1_11) >= (~ var_1_20) [L100] var_1_32 = var_1_17 [L102] COND TRUE \read(var_1_6) [L103] var_1_14 = (var_1_4 - last_1_var_1_14) [L107] var_1_13 = (var_1_14 + var_1_12) [L108] COND TRUE \read(var_1_5) [L109] COND FALSE !((var_1_12 * var_1_13) >= var_1_11) [L113] signed long int stepLocal_1 = var_1_14; [L114] signed long int stepLocal_0 = var_1_14; [L115] COND FALSE !(! (var_1_14 >= var_1_4)) [L120] COND FALSE !(var_1_4 >= stepLocal_1) [L123] var_1_1 = var_1_4 [L126] var_1_29 = (var_1_1 + 4u) [L127] COND TRUE (var_1_28 + (var_1_29 + var_1_26)) < var_1_4 [L128] var_1_16 = ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) [L130] unsigned long int stepLocal_9 = var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12))); [L131] unsigned char stepLocal_8 = var_1_6; [L132] COND TRUE stepLocal_8 || var_1_5 [L133] COND FALSE !(stepLocal_9 >= var_1_11) [L136] var_1_30 = (((((var_1_20) > (var_1_4)) ? (var_1_20) : (var_1_4))) + ((1000000000u + var_1_31) - var_1_29)) [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return (((((((((((((! (var_1_14 >= var_1_4)) ? ((256 != var_1_14) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_14))) : 1) : ((var_1_4 >= var_1_14) ? (var_1_1 == ((signed long int) var_1_14)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_5 && var_1_6) ? (var_1_4 == ((signed short int) ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))))) : (((var_1_7 - var_1_8) > last_1_var_1_16) ? (var_1_4 == ((signed short int) ((((((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) > ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4))))) ? (((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) : ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4)))))))) : (var_1_4 == ((signed short int) (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24))))))))) && (var_1_13 == ((unsigned long int) (var_1_14 + var_1_12)))) && (var_1_6 ? (var_1_14 == ((signed long int) (var_1_4 - last_1_var_1_14))) : (var_1_14 == ((signed long int) (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)))))) && (((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) ? (var_1_16 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_26 <= var_1_4) ? (((var_1_26 / (var_1_20 - 25)) >= 128) ? (var_1_19 == ((double) (((((15.25 - var_1_21) < 0 ) ? -(15.25 - var_1_21) : (15.25 - var_1_21))) - (var_1_22 + var_1_23)))) : (var_1_19 == ((double) var_1_22))) : (var_1_19 == ((double) var_1_22)))) && (((var_1_20 / var_1_25) > var_1_26) ? (var_1_24 == ((signed short int) var_1_11)) : 1)) && ((((var_1_12 / var_1_25) != (last_1_var_1_1 * 16)) && var_1_6) ? (var_1_6 ? (var_1_26 == ((unsigned short int) var_1_12)) : (var_1_26 == ((unsigned short int) last_1_var_1_29))) : (var_1_26 == ((unsigned short int) last_1_var_1_29)))) && (var_1_5 ? (((var_1_12 * var_1_13) >= var_1_11) ? (var_1_27 == ((unsigned long int) var_1_26)) : 1) : 1)) && (((last_1_var_1_28 + (- var_1_10)) > var_1_26) ? (var_1_28 == ((signed short int) (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26))) : 1)) && (var_1_29 == ((unsigned long int) (var_1_1 + 4u)))) && ((var_1_6 || var_1_5) ? (((var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12)))) >= var_1_11) ? (var_1_30 == ((unsigned long int) var_1_29)) : (var_1_30 == ((unsigned long int) (((((var_1_20) > (var_1_4)) ? (var_1_20) : (var_1_4))) + ((1000000000u + var_1_31) - var_1_29))))) : (var_1_30 == ((unsigned long int) ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))))))) && (((~ var_1_11) >= (~ var_1_20)) ? (var_1_32 == ((double) var_1_17)) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=100000002, var_1_14=99999900, var_1_16=3, var_1_17=3, var_1_18=0, var_1_19=2, var_1_1=-100, var_1_20=-32768, var_1_22=2, var_1_24=-1, var_1_25=4, var_1_26=102, var_1_27=8, var_1_28=-4, var_1_29=-96, var_1_30=-2758063519, var_1_31=-3758096383, var_1_32=3, var_1_4=-100, var_1_5=1, var_1_6=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-105, var_1_11=-1, var_1_12=102, var_1_13=100000002, var_1_14=99999900, var_1_16=3, var_1_17=3, var_1_18=0, var_1_19=2, var_1_1=-100, var_1_20=-32768, var_1_22=2, var_1_24=-1, var_1_25=4, var_1_26=102, var_1_27=8, var_1_28=-4, var_1_29=-96, var_1_30=-2758063519, var_1_31=-3758096383, var_1_32=3, var_1_4=-100, var_1_5=1, var_1_6=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:51:32,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:51:35,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:51:35,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:51:35,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:51:35,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:51:35,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:51:35,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:51:35,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:51:35,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:51:35,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:51:35,678 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:51:35,678 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:51:35,679 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:51:35,679 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:51:35,680 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:51:35,680 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:51:35,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:51:35,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:51:35,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:51:35,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:51:35,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:51:35,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:51:35,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:51:35,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:51:35,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:51:35,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:51:35,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:51:35,691 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:51:35,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:51:35,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:51:35,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:51:35,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:51:35,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:51:35,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:51:35,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:51:35,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:51:35,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:51:35,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:51:35,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:51:35,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:51:35,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:35,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:51:35,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:51:35,700 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a [2024-11-09 04:51:36,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:51:36,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:51:36,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:51:36,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:51:36,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:51:36,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i Unable to find full path for "g++" [2024-11-09 04:51:38,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:51:39,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:51:39,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2024-11-09 04:51:39,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/62188d07c/3e99ba63372244efa20ec2e16fa2020a/FLAG8f11375c0 [2024-11-09 04:51:39,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/data/62188d07c/3e99ba63372244efa20ec2e16fa2020a [2024-11-09 04:51:39,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:51:39,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:51:39,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:51:39,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:51:39,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:51:39,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e926177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39, skipping insertion in model container [2024-11-09 04:51:39,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:51:39,455 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2024-11-09 04:51:39,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:51:39,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:51:39,666 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_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2024-11-09 04:51:39,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:51:39,804 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:51:39,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39 WrapperNode [2024-11-09 04:51:39,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:51:39,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:51:39,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:51:39,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:51:39,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,884 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2024-11-09 04:51:39,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:51:39,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:51:39,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:51:39,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:51:39,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:51:39,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:51:39,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:51:39,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:51:39,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (1/1) ... [2024-11-09 04:51:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:51:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:40,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:51:40,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:51:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:51:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:51:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:51:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:51:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:51:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:51:40,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:51:40,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:51:45,298 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 04:51:45,298 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:51:45,314 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:51:45,315 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:51:45,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:51:45 BoogieIcfgContainer [2024-11-09 04:51:45,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:51:45,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:51:45,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:51:45,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:51:45,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:51:39" (1/3) ... [2024-11-09 04:51:45,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc6b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:51:45, skipping insertion in model container [2024-11-09 04:51:45,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:51:39" (2/3) ... [2024-11-09 04:51:45,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc6b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:51:45, skipping insertion in model container [2024-11-09 04:51:45,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:51:45" (3/3) ... [2024-11-09 04:51:45,326 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-25.i [2024-11-09 04:51:45,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:51:45,345 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:51:45,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:51:45,428 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;@40cbdd31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:51:45,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:51:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 04:51:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 04:51:45,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:45,449 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:45,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:45,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:45,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1869395136, now seen corresponding path program 1 times [2024-11-09 04:51:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292108120] [2024-11-09 04:51:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:45,472 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 04:51:45,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:45,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:46,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:51:46,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-11-09 04:51:46,310 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:51:46,311 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:46,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292108120] [2024-11-09 04:51:46,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292108120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:46,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:51:46,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:51:46,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518983475] [2024-11-09 04:51:46,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:46,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:51:46,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:46,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:51:46,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:51:46,357 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 04:51:46,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:46,399 INFO L93 Difference]: Finished difference Result 161 states and 274 transitions. [2024-11-09 04:51:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:51:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2024-11-09 04:51:46,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:46,413 INFO L225 Difference]: With dead ends: 161 [2024-11-09 04:51:46,413 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 04:51:46,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:51:46,422 INFO L432 NwaCegarLoop]: 121 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, 121 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 04:51:46,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:51:46,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 04:51:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-09 04:51:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 04:51:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2024-11-09 04:51:46,501 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 164 [2024-11-09 04:51:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:46,502 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2024-11-09 04:51:46,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 04:51:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2024-11-09 04:51:46,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 04:51:46,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:46,515 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:46,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:46,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:46,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:46,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:46,718 INFO L85 PathProgramCache]: Analyzing trace with hash -517579832, now seen corresponding path program 1 times [2024-11-09 04:51:46,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956507596] [2024-11-09 04:51:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:46,720 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 04:51:46,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:46,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:47,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:51:47,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 04:51:47,739 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:51:47,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:47,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956507596] [2024-11-09 04:51:47,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956507596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:47,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:51:47,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:51:47,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85855078] [2024-11-09 04:51:47,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:47,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:51:47,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:51:47,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:51:47,745 INFO L87 Difference]: Start difference. First operand 80 states and 121 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 04:51:49,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:51,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:51,980 INFO L93 Difference]: Finished difference Result 188 states and 285 transitions. [2024-11-09 04:51:52,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:51:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2024-11-09 04:51:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:52,031 INFO L225 Difference]: With dead ends: 188 [2024-11-09 04:51:52,031 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 04:51:52,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:51:52,034 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:52,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 230 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 04:51:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 04:51:52,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2024-11-09 04:51:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 04:51:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-09 04:51:52,054 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 164 [2024-11-09 04:51:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:52,057 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-09 04:51:52,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 04:51:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-09 04:51:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 04:51:52,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:52,061 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:52,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:52,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:52,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:52,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:52,268 INFO L85 PathProgramCache]: Analyzing trace with hash 992602672, now seen corresponding path program 1 times [2024-11-09 04:51:52,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:52,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336295120] [2024-11-09 04:51:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:52,271 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 04:51:52,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:52,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:52,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:51:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:53,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:51:53,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-09 04:51:54,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 04:51:55,720 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:55,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336295120] [2024-11-09 04:51:55,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336295120] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:55,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:51:55,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-09 04:51:55,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138101986] [2024-11-09 04:51:55,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:55,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:51:55,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:51:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:51:55,727 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 04:51:58,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:52:00,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:52:01,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:52:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:52:01,659 INFO L93 Difference]: Finished difference Result 256 states and 387 transitions. [2024-11-09 04:52:01,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:52:01,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2024-11-09 04:52:01,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:52:01,710 INFO L225 Difference]: With dead ends: 256 [2024-11-09 04:52:01,710 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 04:52:01,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:52:01,713 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 43 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:52:01,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 373 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 04:52:01,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 04:52:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2024-11-09 04:52:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 118 states have internal predecessors, (164), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 04:52:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2024-11-09 04:52:01,759 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 165 [2024-11-09 04:52:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:52:01,760 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2024-11-09 04:52:01,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 04:52:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2024-11-09 04:52:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 04:52:01,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:52:01,768 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:52:01,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:52:01,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:52:01,969 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:52:01,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:52:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash -18514578, now seen corresponding path program 1 times [2024-11-09 04:52:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:52:01,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510672120] [2024-11-09 04:52:01,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:01,971 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 04:52:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:52:01,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:52:01,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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)] Waiting until timeout for monitored process [2024-11-09 04:52:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:02,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 04:52:02,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-09 04:52:16,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:28,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:52:28,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510672120] [2024-11-09 04:52:28,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510672120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:28,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1442091919] [2024-11-09 04:52:28,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:28,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:52:28,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:52:28,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:52:28,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:52:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:30,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:52:30,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-09 04:52:34,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:37,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1442091919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:37,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733082651] [2024-11-09 04:52:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:52:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:52:37,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:52:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:52:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:38,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:52:38,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-09 04:52:43,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:47,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733082651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:47,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:52:47,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 8] total 27 [2024-11-09 04:52:47,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665661892] [2024-11-09 04:52:47,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:52:47,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 04:52:47,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:52:47,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 04:52:47,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=1064, Unknown=2, NotChecked=0, Total=1406 [2024-11-09 04:52:47,155 INFO L87 Difference]: Start difference. First operand 146 states and 216 transitions. Second operand has 28 states, 28 states have (on average 5.357142857142857) internal successors, (150), 27 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-09 04:53:00,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:03,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:05,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:09,827 WARN L539 Checker$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 04:53:12,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:15,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:17,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:19,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:21,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:24,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:25,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:28,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:30,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:33,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:35,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:37,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:40,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:41,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:44,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:45,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:46,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:53:50,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:52,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:53:58,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:00,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:02,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:04,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:06,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:08,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:10,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:13,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:15,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:17,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:20,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:22,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:24,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:33,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:54:35,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:54:41,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:44,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:47,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:49,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:51,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:53,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:54:53,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:53,787 INFO L93 Difference]: Finished difference Result 824 states and 1215 transitions. [2024-11-09 04:54:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 04:54:53,802 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.357142857142857) internal successors, (150), 27 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) Word has length 165 [2024-11-09 04:54:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:53,810 INFO L225 Difference]: With dead ends: 824 [2024-11-09 04:54:53,811 INFO L226 Difference]: Without dead ends: 681 [2024-11-09 04:54:53,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=1017, Invalid=3013, Unknown=2, NotChecked=0, Total=4032 [2024-11-09 04:54:53,815 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1184 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 2358 mSolverCounterSat, 231 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2358 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:53,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 2124 Invalid, 2626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [231 Valid, 2358 Invalid, 37 Unknown, 0 Unchecked, 120.8s Time] [2024-11-09 04:54:53,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-09 04:54:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 346. [2024-11-09 04:54:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 263 states have (on average 1.3574144486692015) internal successors, (357), 265 states have internal predecessors, (357), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 04:54:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 505 transitions. [2024-11-09 04:54:53,924 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 505 transitions. Word has length 165 [2024-11-09 04:54:53,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:53,925 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 505 transitions. [2024-11-09 04:54:53,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.357142857142857) internal successors, (150), 27 states have internal predecessors, (150), 7 states have call successors, (72), 7 states have call predecessors, (72), 11 states have return successors, (72), 7 states have call predecessors, (72), 7 states have call successors, (72) [2024-11-09 04:54:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 505 transitions. [2024-11-09 04:54:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 04:54:53,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:53,933 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:54:53,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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)] Ended with exit code 0 [2024-11-09 04:54:54,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 04:54:54,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:54:54,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:54,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:54,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1390349072, now seen corresponding path program 1 times [2024-11-09 04:54:54,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:54,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908311855] [2024-11-09 04:54:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:54,536 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 04:54:54,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:54,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:54:54,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:54:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:55,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:54:55,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-09 04:55:07,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:18,239 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:18,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908311855] [2024-11-09 04:55:18,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908311855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:18,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1106818338] [2024-11-09 04:55:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:18,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:18,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:18,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:18,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 04:55:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:20,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:55:20,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-09 04:55:25,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:28,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1106818338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540793933] [2024-11-09 04:55:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:28,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:28,435 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:55:28,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 04:55:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:28,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:55:28,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 591 proven. 129 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-09 04:55:43,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:07,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540793933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:07,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:56:07,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 20] total 32 [2024-11-09 04:56:07,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902121672] [2024-11-09 04:56:07,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:56:07,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 04:56:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:56:07,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 04:56:07,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=2076, Unknown=1, NotChecked=0, Total=2652 [2024-11-09 04:56:07,682 INFO L87 Difference]: Start difference. First operand 346 states and 505 transitions. Second operand has 33 states, 33 states have (on average 4.181818181818182) internal successors, (138), 32 states have internal predecessors, (138), 7 states have call successors, (64), 7 states have call predecessors, (64), 11 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2024-11-09 04:56:20,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:22,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:23,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:26,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:56:28,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:56:30,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:33,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:34,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:36,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:56:38,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:40,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:41,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:56:44,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:46,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:48,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:50,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:56:58,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:02,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:04,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:05,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:08,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:10,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:12,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:14,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:23,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:57:25,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:57:27,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:57:29,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:57:33,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:36,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:38,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:39,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:39,045 INFO L93 Difference]: Finished difference Result 861 states and 1253 transitions. [2024-11-09 04:57:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 04:57:39,054 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.181818181818182) internal successors, (138), 32 states have internal predecessors, (138), 7 states have call successors, (64), 7 states have call predecessors, (64), 11 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) Word has length 165 [2024-11-09 04:57:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:39,059 INFO L225 Difference]: With dead ends: 861 [2024-11-09 04:57:39,060 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 04:57:39,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1960 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=1588, Invalid=5053, Unknown=1, NotChecked=0, Total=6642 [2024-11-09 04:57:39,064 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 802 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 131 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:39,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2626 Invalid, 2498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [131 Valid, 2345 Invalid, 22 Unknown, 0 Unchecked, 82.8s Time] [2024-11-09 04:57:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 04:57:39,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 351. [2024-11-09 04:57:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 267 states have (on average 1.3295880149812733) internal successors, (355), 269 states have internal predecessors, (355), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 04:57:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 503 transitions. [2024-11-09 04:57:39,157 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 503 transitions. Word has length 165 [2024-11-09 04:57:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:39,158 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 503 transitions. [2024-11-09 04:57:39,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.181818181818182) internal successors, (138), 32 states have internal predecessors, (138), 7 states have call successors, (64), 7 states have call predecessors, (64), 11 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2024-11-09 04:57:39,159 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 503 transitions. [2024-11-09 04:57:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 04:57:39,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:39,162 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:39,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 04:57:39,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:39,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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)] Ended with exit code 0 [2024-11-09 04:57:39,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:57:39,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:39,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:39,764 INFO L85 PathProgramCache]: Analyzing trace with hash -710290702, now seen corresponding path program 1 times [2024-11-09 04:57:39,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:39,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88245448] [2024-11-09 04:57:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:39,764 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 04:57:39,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:39,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:57:39,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f8d446-7616-4dbf-ad88-0dcef6aed1ce/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 04:57:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:40,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 04:57:40,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:28,092 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:02:00,935 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)