./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:04:14,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:04:14,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:04:14,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:04:14,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:04:14,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:04:14,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:04:14,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:04:14,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:04:14,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:04:14,779 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:04:14,779 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:04:14,780 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:04:14,782 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:04:14,782 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:04:14,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:04:14,784 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:04:14,785 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:04:14,789 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:04:14,789 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:04:14,789 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:04:14,790 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:04:14,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:04:14,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:04:14,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:04:14,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:04:14,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:04:14,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:04:14,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:04:14,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:04:14,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:04:14,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:04:14,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:04:14,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:04:14,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:04:14,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:04:14,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:04:14,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:04:14,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:14,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:04:14,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:04:14,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:04:14,798 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:04:14,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:04:14,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:04:14,799 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:04:14,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:04:14,800 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-11-09 05:04:15,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:04:15,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:04:15,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:04:15,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:04:15,121 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:04:15,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i Unable to find full path for "g++" [2024-11-09 05:04:17,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:04:17,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:04:17,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-09 05:04:17,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/2dee0ed8c/b364be3757fd4385997d5f9ab9455909/FLAGcb319f1f1 [2024-11-09 05:04:17,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/2dee0ed8c/b364be3757fd4385997d5f9ab9455909 [2024-11-09 05:04:17,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:04:17,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:04:17,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:17,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:04:17,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:04:17,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3a7e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17, skipping insertion in model container [2024-11-09 05:04:17,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:04:17,628 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-09 05:04:17,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:17,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:04:17,739 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-09 05:04:17,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:17,805 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:04:17,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17 WrapperNode [2024-11-09 05:04:17,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:17,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:17,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:04:17,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:04:17,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,874 INFO L138 Inliner]: procedures = 29, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-11-09 05:04:17,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:17,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:04:17,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:04:17,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:04:17,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:04:17,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:04:17,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:04:17,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:04:17,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (1/1) ... [2024-11-09 05:04:17,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:17,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:17,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:04:17,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:04:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:04:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 05:04:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:04:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 05:04:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:04:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 05:04:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:04:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:04:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:04:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:04:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:04:18,180 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:04:18,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:04:18,789 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-09 05:04:18,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:04:19,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:04:19,459 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:04:19,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:19 BoogieIcfgContainer [2024-11-09 05:04:19,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:04:19,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:04:19,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:04:19,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:04:19,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:04:17" (1/3) ... [2024-11-09 05:04:19,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8b684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:19, skipping insertion in model container [2024-11-09 05:04:19,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:17" (2/3) ... [2024-11-09 05:04:19,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8b684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:19, skipping insertion in model container [2024-11-09 05:04:19,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:19" (3/3) ... [2024-11-09 05:04:19,471 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-11-09 05:04:19,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:04:19,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:04:19,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:04:19,569 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;@e984453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:04:19,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:04:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:04:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:04:19,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:19,583 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 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 05:04:19,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:19,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash 674561794, now seen corresponding path program 1 times [2024-11-09 05:04:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:19,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700250289] [2024-11-09 05:04:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:04:21,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:04:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:04:22,528 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:04:22,530 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:04:22,532 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:04:22,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:04:22,540 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:04:22,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:04:22,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:04:22 BoogieIcfgContainer [2024-11-09 05:04:22,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:04:22,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:04:22,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:04:22,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:04:22,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:19" (3/4) ... [2024-11-09 05:04:22,644 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:04:22,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:04:22,647 INFO L158 Benchmark]: Toolchain (without parser) took 5266.68ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 123.9MB in the beginning and 212.7MB in the end (delta: -88.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,647 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:04:22,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.57ms. Allocated memory is still 153.1MB. Free memory was 123.5MB in the beginning and 107.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.43ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 103.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,650 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,652 INFO L158 Benchmark]: RCFGBuilder took 1517.03ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,653 INFO L158 Benchmark]: TraceAbstraction took 3175.73ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 89.2MB in the beginning and 213.7MB in the end (delta: -124.5MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2024-11-09 05:04:22,653 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 260.0MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:04:22,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.57ms. Allocated memory is still 153.1MB. Free memory was 123.5MB in the beginning and 107.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.43ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 103.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1517.03ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3175.73ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 89.2MB in the beginning and 213.7MB in the end (delta: -124.5MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 260.0MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of bitwiseAnd at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L37] signed short int last_1_signed_short_int_Array_0_0_ = -5; [L38] unsigned long int last_1_unsigned_long_int_Array_0_1_ = 8; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] CALL updateLastVariables() [L88] EXPR signed_short_int_Array_0[0] [L88] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L89] EXPR unsigned_long_int_Array_0[1] [L89] last_1_unsigned_long_int_Array_0_1_ = unsigned_long_int_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] float_Array_0[0][0] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[1][0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[0][1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L100] RET updateVariables() [L101] CALL step() [L42] signed long int stepLocal_0 = last_1_signed_short_int_Array_0_0_; [L43] BOOL_unsigned_char_Array_0[0] [L43] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L46] COND TRUE stepLocal_0 <= last_1_signed_short_int_Array_0_0_ [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L47] unsigned_short_int_Array_0[1] = ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))) [L50] EXPR unsigned_short_int_Array_0[1] [L50] EXPR unsigned_short_int_Array_0[1] [L50] COND TRUE unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_short_int_Array_0[0] = (unsigned_short_int_Array_0[1] + -16) [L57] EXPR unsigned_short_int_Array_0[1] [L57] EXPR unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_ [L57] COND TRUE last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_) [L58] EXPR unsigned_short_int_Array_0[0] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR unsigned_long_int_Array_0[0] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] EXPR unsigned_short_int_Array_0[0] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] unsigned_long_int_Array_0[1] = ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))) [L66] EXPR signed_short_int_Array_0[0] [L66] EXPR unsigned_short_int_Array_0[1] [L66] COND TRUE signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1] [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[0][0] [L67] EXPR float_Array_0[0][1] [L67] float_Array_0[1][1] = (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR BOOL_unsigned_char_Array_0[0] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR (last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1 [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[0] [L92] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L92] EXPR unsigned_short_int_Array_0[0] [L92] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L92] EXPR (last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1 [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] [L92] EXPR float_Array_0[0][1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) [L92-L93] return ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:04:22,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:04:25,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:04:25,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:04:25,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:04:25,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:04:25,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:04:25,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:04:25,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:04:25,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:04:25,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:04:25,254 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:04:25,254 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:04:25,255 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:04:25,255 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:04:25,256 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:04:25,256 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:04:25,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:04:25,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:04:25,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:04:25,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:04:25,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:04:25,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:04:25,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:04:25,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:04:25,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:04:25,262 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:04:25,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:04:25,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:04:25,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:04:25,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:04:25,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:04:25,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:04:25,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:04:25,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:04:25,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:04:25,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:25,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:04:25,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:04:25,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:04:25,267 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:04:25,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:04:25,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:04:25,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:04:25,281 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-11-09 05:04:25,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:04:25,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:04:25,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:04:25,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:04:25,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:04:25,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i Unable to find full path for "g++" [2024-11-09 05:04:27,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:04:27,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:04:27,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-11-09 05:04:27,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/624734541/7cc95e613098406bb3dc20d2b5d3fefb/FLAGc196d64fd [2024-11-09 05:04:28,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/data/624734541/7cc95e613098406bb3dc20d2b5d3fefb [2024-11-09 05:04:28,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:04:28,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:04:28,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:28,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:04:28,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:04:28,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c685069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28, skipping insertion in model container [2024-11-09 05:04:28,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:04:28,289 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-09 05:04:28,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:28,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:04:28,429 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_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-11-09 05:04:28,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:28,526 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:04:28,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28 WrapperNode [2024-11-09 05:04:28,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:28,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:28,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:04:28,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:04:28,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,610 INFO L138 Inliner]: procedures = 36, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 399 [2024-11-09 05:04:28,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:28,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:04:28,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:04:28,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:04:28,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:04:28,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:04:28,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:04:28,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:04:28,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (1/1) ... [2024-11-09 05:04:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:28,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:04:28,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:04:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:04:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 05:04:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 05:04:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:04:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 05:04:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 05:04:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 05:04:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 05:04:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 05:04:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 05:04:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:04:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:04:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:04:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:04:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 05:04:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 05:04:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 05:04:28,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:04:28,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:04:30,913 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-09 05:04:30,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:04:30,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:04:30,929 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:04:30,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:30 BoogieIcfgContainer [2024-11-09 05:04:30,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:04:30,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:04:30,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:04:30,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:04:30,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:04:28" (1/3) ... [2024-11-09 05:04:30,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:30, skipping insertion in model container [2024-11-09 05:04:30,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:28" (2/3) ... [2024-11-09 05:04:30,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:30, skipping insertion in model container [2024-11-09 05:04:30,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:30" (3/3) ... [2024-11-09 05:04:30,940 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-11-09 05:04:30,959 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:04:30,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:04:31,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:04:31,037 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;@69526dd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:04:31,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:04:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:04:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:04:31,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:31,055 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:31,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:31,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:31,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1626044618, now seen corresponding path program 1 times [2024-11-09 05:04:31,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:31,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766557052] [2024-11-09 05:04:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:31,079 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 05:04:31,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:31,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:31,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:31,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:04:31,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 05:04:31,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:31,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:31,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766557052] [2024-11-09 05:04:31,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766557052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:31,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:31,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:04:31,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392730217] [2024-11-09 05:04:31,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:31,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:04:31,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:31,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:04:31,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:04:31,677 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:04:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:31,728 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2024-11-09 05:04:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:04:31,731 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-09 05:04:31,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:31,738 INFO L225 Difference]: With dead ends: 188 [2024-11-09 05:04:31,738 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 05:04:31,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 05:04:31,745 INFO L432 NwaCegarLoop]: 129 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, 129 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 05:04:31,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:04:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 05:04:31,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-09 05:04:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:04:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-11-09 05:04:31,789 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2024-11-09 05:04:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:31,789 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-11-09 05:04:31,790 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:04:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-11-09 05:04:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:04:31,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:31,794 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:31,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:04:31,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:31,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:31,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:31,997 INFO L85 PathProgramCache]: Analyzing trace with hash 106342469, now seen corresponding path program 1 times [2024-11-09 05:04:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:31,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727708311] [2024-11-09 05:04:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:32,000 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 05:04:32,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:32,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:32,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:32,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:04:32,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:32,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 05:04:34,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-09 05:04:35,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-09 05:04:35,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2024-11-09 05:04:35,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2024-11-09 05:04:35,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 51 [2024-11-09 05:04:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 05:04:35,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:35,751 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:35,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727708311] [2024-11-09 05:04:35,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727708311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:35,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:35,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:04:35,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560028539] [2024-11-09 05:04:35,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:35,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:04:35,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:04:35,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:04:35,758 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:42,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:42,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:42,894 INFO L93 Difference]: Finished difference Result 408 states and 567 transitions. [2024-11-09 05:04:42,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:04:42,894 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-09 05:04:42,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:42,897 INFO L225 Difference]: With dead ends: 408 [2024-11-09 05:04:42,898 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 05:04:42,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:04:42,900 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 561 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:42,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 542 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-11-09 05:04:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 05:04:42,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 190. [2024-11-09 05:04:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 169 states have (on average 1.3727810650887573) internal successors, (232), 169 states have internal predecessors, (232), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:04:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 268 transitions. [2024-11-09 05:04:42,935 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 268 transitions. Word has length 92 [2024-11-09 05:04:42,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:42,935 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 268 transitions. [2024-11-09 05:04:42,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 268 transitions. [2024-11-09 05:04:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 05:04:42,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:42,939 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:42,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:43,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:43,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:43,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1474490940, now seen corresponding path program 1 times [2024-11-09 05:04:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:43,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243411477] [2024-11-09 05:04:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:43,145 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 05:04:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:43,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:43,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:04:43,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:43,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 05:04:43,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-09 05:04:43,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-09 05:04:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 05:04:43,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:43,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:43,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243411477] [2024-11-09 05:04:43,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243411477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:43,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:43,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:04:43,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015903278] [2024-11-09 05:04:43,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:43,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:04:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:43,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:04:43,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:04:43,933 INFO L87 Difference]: Start difference. First operand 190 states and 268 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:45,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:46,462 INFO L93 Difference]: Finished difference Result 385 states and 543 transitions. [2024-11-09 05:04:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:04:46,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-09 05:04:46,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:46,465 INFO L225 Difference]: With dead ends: 385 [2024-11-09 05:04:46,465 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 05:04:46,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:04:46,471 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 90 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:46,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 497 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 05:04:46,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 05:04:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 149. [2024-11-09 05:04:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 128 states have (on average 1.3515625) internal successors, (173), 128 states have internal predecessors, (173), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:04:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 209 transitions. [2024-11-09 05:04:46,507 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 209 transitions. Word has length 93 [2024-11-09 05:04:46,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:46,507 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 209 transitions. [2024-11-09 05:04:46,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 209 transitions. [2024-11-09 05:04:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 05:04:46,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:46,518 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:46,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:46,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:46,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:46,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash -605459240, now seen corresponding path program 1 times [2024-11-09 05:04:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563282391] [2024-11-09 05:04:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:46,721 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 05:04:46,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:46,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:46,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:47,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:04:47,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 05:04:47,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:47,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:47,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563282391] [2024-11-09 05:04:47,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563282391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:47,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:47,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:04:47,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076858909] [2024-11-09 05:04:47,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:47,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:04:47,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:47,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:04:47,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:04:47,110 INFO L87 Difference]: Start difference. First operand 149 states and 209 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:47,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:47,148 INFO L93 Difference]: Finished difference Result 252 states and 355 transitions. [2024-11-09 05:04:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:04:47,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-09 05:04:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:47,151 INFO L225 Difference]: With dead ends: 252 [2024-11-09 05:04:47,151 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 05:04:47,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 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 05:04:47,153 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 20 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:47,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 248 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:04:47,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 05:04:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 149. [2024-11-09 05:04:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 128 states have (on average 1.34375) internal successors, (172), 128 states have internal predecessors, (172), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:04:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 208 transitions. [2024-11-09 05:04:47,166 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 208 transitions. Word has length 93 [2024-11-09 05:04:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:47,167 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 208 transitions. [2024-11-09 05:04:47,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:04:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 208 transitions. [2024-11-09 05:04:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 05:04:47,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:47,169 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:47,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:47,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:47,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:47,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:47,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2077317152, now seen corresponding path program 1 times [2024-11-09 05:04:47,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:47,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913861966] [2024-11-09 05:04:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:47,371 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 05:04:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:47,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:04:47,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:04:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:47,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 05:04:47,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:47,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 05:04:49,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 05:04:49,216 INFO L349 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2024-11-09 05:04:49,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2024-11-09 05:04:49,711 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 05:04:49,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 45 [2024-11-09 05:04:49,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-09 05:04:49,971 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 05:04:49,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 48 [2024-11-09 05:04:49,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-09 05:04:51,590 INFO L349 Elim1Store]: treesize reduction 3, result has 96.4 percent of original size [2024-11-09 05:04:51,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 151 treesize of output 180 [2024-11-09 05:04:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 05:04:52,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:52,873 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:52,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913861966] [2024-11-09 05:04:52,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913861966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:52,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:52,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 05:04:52,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886675204] [2024-11-09 05:04:52,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:52,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:04:52,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:52,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:04:52,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:04:52,875 INFO L87 Difference]: Start difference. First operand 149 states and 208 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:05:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:06,041 INFO L93 Difference]: Finished difference Result 413 states and 565 transitions. [2024-11-09 05:05:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:05:06,042 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-09 05:05:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:06,047 INFO L225 Difference]: With dead ends: 413 [2024-11-09 05:05:06,049 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 05:05:06,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:05:06,053 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 321 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:06,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1154 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-09 05:05:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 05:05:06,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 153. [2024-11-09 05:05:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 132 states have (on average 1.3409090909090908) internal successors, (177), 132 states have internal predecessors, (177), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:05:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2024-11-09 05:05:06,084 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 94 [2024-11-09 05:05:06,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:06,088 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2024-11-09 05:05:06,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:05:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2024-11-09 05:05:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 05:05:06,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:06,090 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:06,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:06,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:06,290 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:06,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1184657877, now seen corresponding path program 1 times [2024-11-09 05:05:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:05:06,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147045352] [2024-11-09 05:05:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:06,292 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 05:05:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:05:06,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:06,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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)] Waiting until timeout for monitored process [2024-11-09 05:05:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:06,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:05:06,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:06,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-09 05:05:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 05:05:06,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:05:06,667 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:05:06,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147045352] [2024-11-09 05:05:06,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147045352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:06,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:06,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:05:06,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630844328] [2024-11-09 05:05:06,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:06,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:05:06,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:05:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:05:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:05:06,670 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:05:06,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:06,698 INFO L93 Difference]: Finished difference Result 240 states and 335 transitions. [2024-11-09 05:05:06,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:05:06,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-09 05:05:06,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:06,700 INFO L225 Difference]: With dead ends: 240 [2024-11-09 05:05:06,701 INFO L226 Difference]: Without dead ends: 151 [2024-11-09 05:05:06,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 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 05:05:06,702 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:06,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:05:06,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-09 05:05:06,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-09 05:05:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 130 states have (on average 1.323076923076923) internal successors, (172), 130 states have internal predecessors, (172), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:05:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 208 transitions. [2024-11-09 05:05:06,713 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 208 transitions. Word has length 94 [2024-11-09 05:05:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:06,714 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 208 transitions. [2024-11-09 05:05:06,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 05:05:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 208 transitions. [2024-11-09 05:05:06,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:05:06,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:06,716 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:06,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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)] Ended with exit code 0 [2024-11-09 05:05:06,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:06,920 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:06,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:06,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1377840627, now seen corresponding path program 1 times [2024-11-09 05:05:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:05:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755644111] [2024-11-09 05:05:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:06,922 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 05:05:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:05:06,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:07,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:05:07,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:07,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 05:05:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 05:05:07,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:07,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-09 05:05:08,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:05:08,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755644111] [2024-11-09 05:05:08,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755644111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:08,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [478255912] [2024-11-09 05:05:08,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:08,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:08,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:05:08,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:05:08,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 05:05:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:08,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:05:08,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:09,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 05:05:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 05:05:09,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:09,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-09 05:05:09,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [478255912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:09,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232205017] [2024-11-09 05:05:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:09,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:09,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:09,519 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:09,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:05:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:09,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:05:09,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:09,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 05:05:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 05:05:09,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:10,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-09 05:05:10,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232205017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:10,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:05:10,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-09 05:05:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236657741] [2024-11-09 05:05:10,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:05:10,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:05:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:05:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:05:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:05:10,185 INFO L87 Difference]: Start difference. First operand 151 states and 208 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:05:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:13,096 INFO L93 Difference]: Finished difference Result 299 states and 408 transitions. [2024-11-09 05:05:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:05:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2024-11-09 05:05:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:13,098 INFO L225 Difference]: With dead ends: 299 [2024-11-09 05:05:13,098 INFO L226 Difference]: Without dead ends: 212 [2024-11-09 05:05:13,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 387 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:05:13,099 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 98 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:13,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 555 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 05:05:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-09 05:05:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 157. [2024-11-09 05:05:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 135 states have (on average 1.3111111111111111) internal successors, (177), 135 states have internal predecessors, (177), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:05:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 213 transitions. [2024-11-09 05:05:13,113 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 213 transitions. Word has length 95 [2024-11-09 05:05:13,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:13,113 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 213 transitions. [2024-11-09 05:05:13,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:05:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 213 transitions. [2024-11-09 05:05:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:05:13,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:13,115 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:13,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 05:05:13,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:13,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:13,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:13,716 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:13,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:13,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1243827121, now seen corresponding path program 1 times [2024-11-09 05:05:13,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:05:13,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015534637] [2024-11-09 05:05:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:13,718 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 05:05:13,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:05:13,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:13,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:14,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:05:14,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:14,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 05:05:15,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:15,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:15,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:15,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:05:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:05:16,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:16,315 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_213 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_213) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) (not .cse1)) (or (forall ((v_ArrVal_213 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_213) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse1))) is different from false [2024-11-09 05:05:16,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:05:16,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015534637] [2024-11-09 05:05:16,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015534637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:16,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [58316679] [2024-11-09 05:05:16,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:05:16,633 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:05:16,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 05:05:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:17,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 05:05:17,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:19,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2024-11-09 05:05:20,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:05:20,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 49 [2024-11-09 05:05:20,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 55 [2024-11-09 05:05:20,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 55 [2024-11-09 05:05:21,038 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:05:21,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 61 [2024-11-09 05:05:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 05:05:21,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:05:21,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [58316679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:21,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:05:21,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [11] total 27 [2024-11-09 05:05:21,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495134795] [2024-11-09 05:05:21,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:21,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:05:21,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:05:21,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:05:21,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=883, Unknown=8, NotChecked=60, Total=1056 [2024-11-09 05:05:21,193 INFO L87 Difference]: Start difference. First operand 157 states and 213 transitions. Second operand has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:05:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:30,234 INFO L93 Difference]: Finished difference Result 340 states and 457 transitions. [2024-11-09 05:05:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:05:30,235 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2024-11-09 05:05:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:30,237 INFO L225 Difference]: With dead ends: 340 [2024-11-09 05:05:30,237 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 05:05:30,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=141, Invalid=1187, Unknown=8, NotChecked=70, Total=1406 [2024-11-09 05:05:30,238 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 240 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:30,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1248 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 05:05:30,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 05:05:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 178. [2024-11-09 05:05:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 155 states have (on average 1.303225806451613) internal successors, (202), 155 states have internal predecessors, (202), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:05:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2024-11-09 05:05:30,265 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 95 [2024-11-09 05:05:30,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:30,266 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2024-11-09 05:05:30,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:05:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2024-11-09 05:05:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 05:05:30,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:30,268 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:30,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:30,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:30,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:30,669 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:30,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1580897403, now seen corresponding path program 1 times [2024-11-09 05:05:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:05:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639062650] [2024-11-09 05:05:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:30,670 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 05:05:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:05:30,671 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:05:30,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 (13)] Waiting until timeout for monitored process [2024-11-09 05:05:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:38,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 05:05:38,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:38,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 05:05:39,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 05:05:39,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:40,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:40,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:40,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:05:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:05:40,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:40,786 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_262 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_261 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse0 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_261) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_262) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) (not .cse1)) (or (forall ((v_ArrVal_262 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_261 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse0 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_261) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_262) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse1))) is different from false [2024-11-09 05:05:40,874 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:05:40,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639062650] [2024-11-09 05:05:40,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639062650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:40,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1040636636] [2024-11-09 05:05:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:40,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:40,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:05:40,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:05:40,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 05:05:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:42,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 05:05:42,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:42,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2024-11-09 05:05:43,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:05:43,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:43,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:43,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:43,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:05:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:05:43,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:43,937 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse0 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (not .cse0) (forall ((v_ArrVal_286 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse1 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_286) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|))))) (or (forall ((v_ArrVal_286 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse1 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_286) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse0))) is different from false [2024-11-09 05:05:43,988 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_286 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse0 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_285) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_286) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) (not .cse1)) (or (forall ((v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_286 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse0 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_285) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_286) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse1))) is different from false [2024-11-09 05:05:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1040636636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:44,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858182114] [2024-11-09 05:05:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:44,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:44,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:44,054 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:44,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 05:05:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:57,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:05:57,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:57,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 05:05:58,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:05:58,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:58,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:58,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:05:58,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:05:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:05:58,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:59,094 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_310) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse1) (or (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_310) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) (not .cse1)))) is different from false [2024-11-09 05:05:59,143 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse0 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (not .cse0) (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse1 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_309) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_310) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|))))) (or (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse1 (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_309) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_310) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse0))) is different from false [2024-11-09 05:05:59,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858182114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:59,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:05:59,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2024-11-09 05:05:59,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951290112] [2024-11-09 05:05:59,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:05:59,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:05:59,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:05:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:05:59,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=219, Unknown=15, NotChecked=170, Total=462 [2024-11-09 05:05:59,216 INFO L87 Difference]: Start difference. First operand 178 states and 238 transitions. Second operand has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:06:03,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:03,945 INFO L93 Difference]: Finished difference Result 411 states and 542 transitions. [2024-11-09 05:06:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:06:03,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-11-09 05:06:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:03,948 INFO L225 Difference]: With dead ends: 411 [2024-11-09 05:06:03,949 INFO L226 Difference]: Without dead ends: 292 [2024-11-09 05:06:03,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 353 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=123, Invalid=431, Unknown=18, NotChecked=240, Total=812 [2024-11-09 05:06:03,950 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 120 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:03,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 765 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-09 05:06:03,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-09 05:06:03,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 198. [2024-11-09 05:06:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 174 states have (on average 1.293103448275862) internal successors, (225), 174 states have internal predecessors, (225), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:06:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 261 transitions. [2024-11-09 05:06:03,967 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 261 transitions. Word has length 96 [2024-11-09 05:06:03,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:03,968 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 261 transitions. [2024-11-09 05:06:03,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:06:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 261 transitions. [2024-11-09 05:06:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 05:06:03,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:03,970 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:04,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:04,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 (13)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:04,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:04,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:06:04,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:06:04,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1799752121, now seen corresponding path program 1 times [2024-11-09 05:06:04,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:06:04,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032856399] [2024-11-09 05:06:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:04,572 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 05:06:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:06:04,576 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:06:04,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 (16)] Waiting until timeout for monitored process [2024-11-09 05:06:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:05,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:06:05,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:05,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 05:06:06,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:06,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:06,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:07,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:06:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:06:07,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:06:07,312 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_333 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_step_#t~mem15#1_28| (_ BitVec 16))) (bvult ((_ zero_extend 16) |v_ULTIMATE.start_step_#t~mem15#1_28|) (bvadd (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_333) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|) (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)))) is different from false [2024-11-09 05:06:07,464 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:06:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032856399] [2024-11-09 05:06:07,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032856399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:07,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1397413896] [2024-11-09 05:06:07,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:07,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:06:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:06:07,466 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:06:07,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 05:06:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:09,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:06:09,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:09,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2024-11-09 05:06:10,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:06:10,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:10,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:10,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:10,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:06:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:06:10,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:06:10,993 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_step_#t~mem15#1_28| (_ BitVec 16)) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult ((_ zero_extend 16) |v_ULTIMATE.start_step_#t~mem15#1_28|) (bvadd (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_358) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|) (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)))) is different from false [2024-11-09 05:06:11,015 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_357 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_step_#t~mem15#1_28| (_ BitVec 16)) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult ((_ zero_extend 16) |v_ULTIMATE.start_step_#t~mem15#1_28|) (bvadd (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0) (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_357) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_358) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) is different from false [2024-11-09 05:06:11,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1397413896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:11,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569949395] [2024-11-09 05:06:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:06:11,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:06:11,053 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:06:11,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 05:06:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:16,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 05:06:16,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:16,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 05:06:17,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:06:17,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:18,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:18,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 05:06:18,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-09 05:06:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:06:18,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:06:19,036 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_383 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_short_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_383))) (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 |c_~#unsigned_short_int_Array_0~0.base|) |~#unsigned_short_int_Array_0~0.offset|))))) (or (bvult (_ bv50 32) .cse0) (bvult .cse0 (bvadd (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0) (select (select .cse1 |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 .cse0))))) is different from false [2024-11-09 05:06:19,092 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_383 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_short_int_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_382 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_382) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_383))) (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 |c_~#unsigned_short_int_Array_0~0.base|) |~#unsigned_short_int_Array_0~0.offset|))))) (or (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 .cse0) (bvult (_ bv50 32) .cse0) (bvult .cse0 (bvadd (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0) (select (select .cse1 |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|))))))) is different from false [2024-11-09 05:06:19,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569949395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:19,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:06:19,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2024-11-09 05:06:19,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043165688] [2024-11-09 05:06:19,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:06:19,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 05:06:19,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:06:19,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 05:06:19,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=410, Unknown=19, NotChecked=230, Total=756 [2024-11-09 05:06:19,187 INFO L87 Difference]: Start difference. First operand 198 states and 261 transitions. Second operand has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:06:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:23,842 INFO L93 Difference]: Finished difference Result 411 states and 539 transitions. [2024-11-09 05:06:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:06:23,842 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-11-09 05:06:23,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:23,844 INFO L225 Difference]: With dead ends: 411 [2024-11-09 05:06:23,844 INFO L226 Difference]: Without dead ends: 292 [2024-11-09 05:06:23,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 347 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=227, Invalid=828, Unknown=21, NotChecked=330, Total=1406 [2024-11-09 05:06:23,846 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 281 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:23,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 781 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 05:06:23,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-09 05:06:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 196. [2024-11-09 05:06:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 172 states have (on average 1.2906976744186047) internal successors, (222), 172 states have internal predecessors, (222), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:06:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 258 transitions. [2024-11-09 05:06:23,871 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 258 transitions. Word has length 96 [2024-11-09 05:06:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:23,871 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 258 transitions. [2024-11-09 05:06:23,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:06:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 258 transitions. [2024-11-09 05:06:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 05:06:23,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:23,875 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:23,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 05:06:24,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 (16)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:24,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:24,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:06:24,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:06:24,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:24,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1628093376, now seen corresponding path program 1 times [2024-11-09 05:06:24,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:06:24,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860007428] [2024-11-09 05:06:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:24,477 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 05:06:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:06:24,478 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 05:06:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc72497-7d40-4a45-a7dd-c4682e1d0cfe/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 (19)] Waiting until timeout for monitored process