./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ --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 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:04,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:04,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:21:04,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:04,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:04,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:04,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:04,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:04,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:04,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:04,766 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:04,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:04,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:04,770 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:04,770 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:04,771 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:04,771 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:04,772 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:04,773 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:04,773 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:04,774 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:04,775 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:04,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:04,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:04,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:04,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:04,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:04,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:04,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:04,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:04,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:04,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:04,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:04,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:04,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:04,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:04,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:04,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:04,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:04,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:04,786 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:04,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:04,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:04,787 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:04,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:04,788 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_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 [2023-11-19 05:21:05,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:05,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:05,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:05,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:05,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:05,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:08,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:08,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:08,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:08,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/1b2063694/aa8631f8f2494c14bc01401f23291076/FLAG9de0b9338 [2023-11-19 05:21:08,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/1b2063694/aa8631f8f2494c14bc01401f23291076 [2023-11-19 05:21:08,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:08,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:08,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:08,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:08,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:08,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:08" (1/1) ... [2023-11-19 05:21:08,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5303010e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:08, skipping insertion in model container [2023-11-19 05:21:08,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:08" (1/1) ... [2023-11-19 05:21:08,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:09,097 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-11-19 05:21:09,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:09,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:09,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-11-19 05:21:09,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:09,288 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:09,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09 WrapperNode [2023-11-19 05:21:09,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:09,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:09,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:09,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:09,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,381 INFO L138 Inliner]: procedures = 29, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-11-19 05:21:09,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:09,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:09,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:09,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:09,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:09,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:09,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:09,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:09,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (1/1) ... [2023-11-19 05:21:09,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:09,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:09,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:21:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:21:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:21:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:09,698 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:09,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:10,287 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:11,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:11,444 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:11,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:11 BoogieIcfgContainer [2023-11-19 05:21:11,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:11,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:11,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:11,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:11,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:08" (1/3) ... [2023-11-19 05:21:11,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd055d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:11, skipping insertion in model container [2023-11-19 05:21:11,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:09" (2/3) ... [2023-11-19 05:21:11,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd055d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:11, skipping insertion in model container [2023-11-19 05:21:11,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:11" (3/3) ... [2023-11-19 05:21:11,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:11,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:11,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:11,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:11,569 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78daeafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:11,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:21:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 05:21:11,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:11,589 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:11,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:11,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1427630559, now seen corresponding path program 1 times [2023-11-19 05:21:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:11,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236200944] [2023-11-19 05:21:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:11,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:13,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:21:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:13,662 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:21:13,667 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:21:13,668 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:21:13,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:21:13,677 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:21:13,686 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:21:13,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:21:13,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:21:13,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:21:13,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:21:13,745 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:21:13,745 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:21:13,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:21:13,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:21:13,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:21:13,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:21:13,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:21:13,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:21:13,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:21:13,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:21:13,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:21:13,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:21:13,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:21:13,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:21:13,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:21:13,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:21:13,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:21:13,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:21:13,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:21:13,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:21:13,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:21:13,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:21:13,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:21:13,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:21:13,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:21:13,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:21:13,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:21:13,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:21:13,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:21:13,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:21:13,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:21:13,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:21:13,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:21:13 BoogieIcfgContainer [2023-11-19 05:21:13,798 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:21:13,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:21:13,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:21:13,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:21:13,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:11" (3/4) ... [2023-11-19 05:21:13,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:21:13,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:21:13,810 INFO L158 Benchmark]: Toolchain (without parser) took 4978.71ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 101.5MB in the beginning and 115.1MB in the end (delta: -13.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,810 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:13,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 87.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.28ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 84.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,815 INFO L158 Benchmark]: Boogie Preprocessor took 63.97ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 81.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,820 INFO L158 Benchmark]: RCFGBuilder took 2002.75ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 81.0MB in the beginning and 108.4MB in the end (delta: -27.5MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,823 INFO L158 Benchmark]: TraceAbstraction took 2343.01ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 107.4MB in the beginning and 115.1MB in the end (delta: -7.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-11-19 05:21:13,823 INFO L158 Benchmark]: Witness Printer took 8.68ms. Allocated memory is still 230.7MB. Free memory was 115.1MB in the beginning and 115.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:13,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 87.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.28ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 84.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.97ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 81.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2002.75ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 81.0MB in the beginning and 108.4MB in the end (delta: -27.5MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2343.01ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 107.4MB in the beginning and 115.1MB in the end (delta: -7.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 8.68ms. Allocated memory is still 230.7MB. Free memory was 115.1MB in the beginning and 115.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someUnaryFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] float float_Array_0[3] = { 3.4, 9.3, 2.5 }; [L28-L30] unsigned char unsigned_char_Array_0[3] = { 8, 5, 8 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2] = { 1, 32 }; [L82] isInitial = 1 [L83] FCALL initially() [L84] COND TRUE 1 [L85] FCALL updateLastVariables() [L86] CALL updateVariables() [L64] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L65] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] float_Array_0[0] = __VERIFIER_nondet_float() [L68] EXPR float_Array_0[0] [L68] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L68] EXPR float_Array_0[0] [L68] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L68] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] float_Array_0[1] = __VERIFIER_nondet_float() [L70] EXPR float_Array_0[1] [L70] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L70] EXPR float_Array_0[1] [L70] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L70] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] RET updateVariables() [L87] CALL step() [L37] EXPR BOOL_unsigned_char_Array_0[1] [L37] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L38] EXPR unsigned_char_Array_0[1] [L38] unsigned_char_Array_0[2] = unsigned_char_Array_0[1] [L39] BOOL_unsigned_char_Array_0[0] [L39] COND TRUE BOOL_unsigned_char_Array_0[0] [L40] EXPR float_Array_0[1] [L40] float_Array_0[2] = float_Array_0[1] [L46] EXPR float_Array_0[2] [L46] EXPR float_Array_0[2] [L46] EXPR float_Array_0[1] [L46] COND TRUE (float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1]) [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR (((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]) [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR (((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]) [L47] unsigned_short_int_Array_0[1] = (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))) [L51] EXPR unsigned_char_Array_0[2] [L51] signed long int stepLocal_0 = 5 * unsigned_char_Array_0[2]; [L52] EXPR float_Array_0[1] [L52] EXPR float_Array_0[2] [L52] EXPR ((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]) [L52] EXPR float_Array_0[1] [L52] EXPR ((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]) [L52] EXPR float_Array_0[2] [L52] COND TRUE ((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2] [L53] EXPR unsigned_char_Array_0[2] [L53] COND FALSE !(unsigned_char_Array_0[2] > stepLocal_0) [L59] EXPR float_Array_0[2] [L59] EXPR float_Array_0[1] [L59] COND FALSE !(float_Array_0[2] < float_Array_0[1]) [L87] RET step() [L88] CALL, EXPR property() [L78] EXPR BOOL_unsigned_char_Array_0[0] [L78] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1) [L78] EXPR float_Array_0[2] [L78] EXPR float_Array_0[1] [L78] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1) [L78] EXPR (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2]))) [L78] EXPR float_Array_0[2] [L78] EXPR float_Array_0[2] [L78] EXPR float_Array_0[1] [L78] EXPR ((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])) [L78] EXPR unsigned_short_int_Array_0[1] [L78] EXPR unsigned_char_Array_0[2] [L78] EXPR ((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])) [L78] EXPR (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2]))) [L78] EXPR ((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1) [L78] EXPR (((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) [L78] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) [L78] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) [L78-L79] return (((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) ; [L88] RET, EXPR property() [L88] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 6, 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=21occurred 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, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:21:13,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ --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 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:16,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:16,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:21:16,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:16,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:16,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:16,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:16,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:16,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:16,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:16,932 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:16,933 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:16,934 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:16,934 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:16,935 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:16,936 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:16,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:16,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:16,938 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:16,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:16,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:16,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:16,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:16,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:16,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:21:16,942 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:21:16,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:21:16,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:16,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:16,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:16,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:16,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:21:16,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:16,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:16,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:16,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:16,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:16,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:21:16,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:16,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:16,950 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:16,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:16,951 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 [2023-11-19 05:21:17,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:17,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:17,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:17,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:17,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:17,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:20,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:21,317 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:21,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:21,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/ebdf58d10/fc76357921524450bc5f0e409cfc8fbd/FLAGbbe742385 [2023-11-19 05:21:21,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/data/ebdf58d10/fc76357921524450bc5f0e409cfc8fbd [2023-11-19 05:21:21,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:21,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:21,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:21,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:21,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:21,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74316049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21, skipping insertion in model container [2023-11-19 05:21:21,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:21,611 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-11-19 05:21:21,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:21,713 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:21,727 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-11-19 05:21:21,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:21,797 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:21,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21 WrapperNode [2023-11-19 05:21:21,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:21,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:21,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:21,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:21,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,933 INFO L138 Inliner]: procedures = 33, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-11-19 05:21:21,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:21,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:21,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:21,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:21,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:21,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:22,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:22,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:22,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:22,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (1/1) ... [2023-11-19 05:21:22,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:22,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:22,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:21:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:21:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:21:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:21:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:21:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:21:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:21:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:21:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:21:22,341 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:22,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:31,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:31,129 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:31,143 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:31,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:31 BoogieIcfgContainer [2023-11-19 05:21:31,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:31,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:31,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:31,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:31,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:21" (1/3) ... [2023-11-19 05:21:31,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dd42b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:31, skipping insertion in model container [2023-11-19 05:21:31,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:21" (2/3) ... [2023-11-19 05:21:31,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dd42b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:31, skipping insertion in model container [2023-11-19 05:21:31,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:31" (3/3) ... [2023-11-19 05:21:31,170 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-29.i [2023-11-19 05:21:31,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:31,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:31,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:31,294 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@599be23b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:31,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:21:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 05:21:31,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:31,327 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:31,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:31,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash -699980394, now seen corresponding path program 1 times [2023-11-19 05:21:31,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:31,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125635889] [2023-11-19 05:21:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:31,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:31,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:31,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:21:31,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:21:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:31,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:21:31,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 05:21:31,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:32,000 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:32,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125635889] [2023-11-19 05:21:32,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125635889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:32,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:21:32,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394465511] [2023-11-19 05:21:32,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:32,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:21:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:21:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:21:32,053 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 05:21:32,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:32,091 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2023-11-19 05:21:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:21:32,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2023-11-19 05:21:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:32,111 INFO L225 Difference]: With dead ends: 169 [2023-11-19 05:21:32,112 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 05:21:32,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:21:32,123 INFO L413 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:32,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:21:32,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 05:21:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 05:21:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:21:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2023-11-19 05:21:32,181 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2023-11-19 05:21:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:32,181 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2023-11-19 05:21:32,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 05:21:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-19 05:21:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 05:21:32,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:32,188 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:32,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:21:32,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:32,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:32,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash 912669262, now seen corresponding path program 1 times [2023-11-19 05:21:32,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:32,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36634748] [2023-11-19 05:21:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:32,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:32,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:32,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:21:32,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:21:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:32,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:21:32,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 05:21:33,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:33,005 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36634748] [2023-11-19 05:21:33,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36634748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:33,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:33,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:21:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762029790] [2023-11-19 05:21:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:33,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:21:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:33,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:21:33,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:21:33,010 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:21:33,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:33,435 INFO L93 Difference]: Finished difference Result 189 states and 271 transitions. [2023-11-19 05:21:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:21:33,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 05:21:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:33,443 INFO L225 Difference]: With dead ends: 189 [2023-11-19 05:21:33,444 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 05:21:33,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:21:33,446 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 53 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:33,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 550 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:21:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 05:21:33,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 90. [2023-11-19 05:21:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:21:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2023-11-19 05:21:33,476 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 73 [2023-11-19 05:21:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:33,492 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2023-11-19 05:21:33,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:21:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2023-11-19 05:21:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 05:21:33,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:33,495 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:33,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:21:33,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:33,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:33,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1607290672, now seen corresponding path program 1 times [2023-11-19 05:21:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:33,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426330999] [2023-11-19 05:21:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:33,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:33,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:21:33,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:21:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:34,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:21:34,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 05:21:34,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:34,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426330999] [2023-11-19 05:21:34,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426330999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:34,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:34,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:21:34,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40696348] [2023-11-19 05:21:34,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:34,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:21:34,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:21:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:21:34,414 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:21:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:34,953 INFO L93 Difference]: Finished difference Result 196 states and 272 transitions. [2023-11-19 05:21:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:21:34,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 05:21:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:34,957 INFO L225 Difference]: With dead ends: 196 [2023-11-19 05:21:34,957 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 05:21:34,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 05:21:34,960 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 43 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:34,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 652 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:21:34,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 05:21:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2023-11-19 05:21:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:21:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions. [2023-11-19 05:21:34,975 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73 [2023-11-19 05:21:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:34,976 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions. [2023-11-19 05:21:34,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:21:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2023-11-19 05:21:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 05:21:34,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:34,979 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:34,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:21:35,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:35,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:35,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:35,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1605443630, now seen corresponding path program 1 times [2023-11-19 05:21:35,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:35,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049191994] [2023-11-19 05:21:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:35,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:21:35,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:35,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:21:35,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:21:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:35,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:21:35,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:35,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:21:35,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 34 [2023-11-19 05:21:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 05:21:36,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:36,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:36,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049191994] [2023-11-19 05:21:36,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049191994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:36,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:36,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:21:36,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940502555] [2023-11-19 05:21:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:36,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:21:36,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:36,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:21:36,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:21:36,137 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:21:38,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:40,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:42,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:44,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:47,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:49,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:52,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:54,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:56,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:21:58,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:00,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:02,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:04,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:04,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:04,824 INFO L93 Difference]: Finished difference Result 233 states and 324 transitions. [2023-11-19 05:22:04,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:22:04,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 05:22:04,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:04,828 INFO L225 Difference]: With dead ends: 233 [2023-11-19 05:22:04,828 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 05:22:04,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:22:04,831 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 62 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:04,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 305 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 11 Unknown, 0 Unchecked, 28.5s Time] [2023-11-19 05:22:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 05:22:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 98. [2023-11-19 05:22:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:22:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2023-11-19 05:22:04,848 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 73 [2023-11-19 05:22:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:04,849 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2023-11-19 05:22:04,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 05:22:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2023-11-19 05:22:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 05:22:04,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:04,862 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:04,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:05,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:05,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1101175764, now seen corresponding path program 1 times [2023-11-19 05:22:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382711482] [2023-11-19 05:22:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:05,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:05,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:05,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c4b75d-e400-46d9-a0ad-5b9fd798e6ff/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:22:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:05,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 05:22:05,685 INFO L285 TraceCheckSpWp]: Computing forward predicates...