./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:13,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:13,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:13,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:13,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:13,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:13,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:13,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:13,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:13,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:13,457 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:13,457 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:13,458 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:13,459 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:13,460 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:13,460 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:13,461 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:13,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:13,461 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:13,462 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:13,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:13,463 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:13,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:13,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:13,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:13,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:13,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:13,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:13,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:13,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:13,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:13,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:13,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:13,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:13,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:13,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:13,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:13,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:13,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:13,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:13,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:13,472 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:13,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:13,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:13,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:13,473 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:13,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:13,474 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_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 [2023-11-23 21:10:13,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:13,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:13,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:13,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:13,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:13,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:17,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:17,319 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:17,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:17,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/f10711e53/70504b7a0cca4edcad3508f5e4985d16/FLAG19f5ab690 [2023-11-23 21:10:17,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/f10711e53/70504b7a0cca4edcad3508f5e4985d16 [2023-11-23 21:10:17,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:17,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:17,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:17,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:17,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:17,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26deaa52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17, skipping insertion in model container [2023-11-23 21:10:17,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:17,590 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_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-23 21:10:17,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:17,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:17,691 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_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-23 21:10:17,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:17,759 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:17,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17 WrapperNode [2023-11-23 21:10:17,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:17,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:17,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:17,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:17,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,866 INFO L138 Inliner]: procedures = 29, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2023-11-23 21:10:17,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:17,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:17,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:17,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:17,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:17,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:17,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:17,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:17,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (1/1) ... [2023-11-23 21:10:17,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:17,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:18,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:10:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:10:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:10:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:10:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:10:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:18,213 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:18,216 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:18,861 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:19,546 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:19,547 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:19,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:19 BoogieIcfgContainer [2023-11-23 21:10:19,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:19,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:19,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:19,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:19,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:17" (1/3) ... [2023-11-23 21:10:19,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59afb3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:19, skipping insertion in model container [2023-11-23 21:10:19,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:17" (2/3) ... [2023-11-23 21:10:19,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59afb3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:19, skipping insertion in model container [2023-11-23 21:10:19,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:19" (3/3) ... [2023-11-23 21:10:19,562 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:19,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:19,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:19,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:19,656 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;@72d74133, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:19,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:10:19,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:19,678 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:19,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:19,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash -961444125, now seen corresponding path program 1 times [2023-11-23 21:10:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:19,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533104626] [2023-11-23 21:10:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:19,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:22,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:23,941 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:23,943 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:23,945 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:23,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:23,954 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:23,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:24,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:10:24,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:10:24,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:10:24,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:10:24,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:10:24,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:10:24,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:10:24,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:10:24,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:10:24,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:10:24,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:10:24,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:10:24,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:10:24,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:10:24,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:10:24,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:10:24,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:10:24,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:10:24,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:10:24,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:10:24,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:10:24,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:10:24,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:10:24,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:10:24,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:10:24,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:10:24,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:10:24,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:10:24,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:10:24,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:10:24,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:10:24,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:10:24,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:10:24,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:10:24,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:10:24,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:10:24,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:10:24,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:10:24,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:10:24,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:10:24,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:10:24,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:10:24,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 21:10:24,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 21:10:24,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:10:24,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:10:24,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 21:10:24,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 21:10:24,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 21:10:24,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:10:24,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:10:24,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:10:24,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 21:10:24,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-23 21:10:24,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-23 21:10:24,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:10:24,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-23 21:10:24,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-23 21:10:24,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 21:10:24,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:10:24,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:10:24,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 21:10:24,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:24 BoogieIcfgContainer [2023-11-23 21:10:24,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:24,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:24,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:24,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:24,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:19" (3/4) ... [2023-11-23 21:10:24,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:24,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:24,118 INFO L158 Benchmark]: Toolchain (without parser) took 6768.01ms. Allocated memory was 161.5MB in the beginning and 228.6MB in the end (delta: 67.1MB). Free memory was 118.7MB in the beginning and 68.3MB in the end (delta: 50.5MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,118 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:24,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.58ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 100.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.52ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 95.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,123 INFO L158 Benchmark]: Boogie Preprocessor took 65.88ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 92.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,127 INFO L158 Benchmark]: RCFGBuilder took 1615.60ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 93.6MB in the end (delta: -1.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,129 INFO L158 Benchmark]: TraceAbstraction took 4557.55ms. Allocated memory was 161.5MB in the beginning and 228.6MB in the end (delta: 67.1MB). Free memory was 92.6MB in the beginning and 68.3MB in the end (delta: 24.3MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2023-11-23 21:10:24,129 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 228.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:24,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.58ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 100.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.52ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 95.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.88ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 92.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1615.60ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 93.6MB in the end (delta: -1.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4557.55ms. Allocated memory was 161.5MB in the beginning and 228.6MB in the end (delta: 67.1MB). Free memory was 92.6MB in the beginning and 68.3MB in the end (delta: 24.3MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 228.6MB. Free memory is still 68.3MB. 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 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 Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 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 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L44] unsigned char isInitial = 0; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L118] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L121] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L124] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L127] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L127] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1] [L129] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L130] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L131] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] WrapperStruct00.var_1_21 = __VERIFIER_nondet_float() [L133] EXPR WrapperStruct00.var_1_21 [L133] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F [L133] EXPR WrapperStruct00.var_1_21 [L133] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F [L133] EXPR (WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L133] CALL assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L146] RET updateVariables() [L147] CALL step() [L70] WrapperStruct00.var_1_6 [L70] COND TRUE WrapperStruct00.var_1_6 [L71] EXPR WrapperStruct00.var_1_10 [L71] EXPR WrapperStruct00.var_1_12 [L71] EXPR WrapperStruct00.var_1_13 [L71] EXPR ((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13) [L71] EXPR WrapperStruct00.var_1_13 [L71] EXPR ((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13) [L71] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))) [L75] EXPR WrapperStruct00.var_1_6 [L75] EXPR WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4 [L75] unsigned char stepLocal_0 = WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4; [L76] EXPR WrapperStruct00.var_1_5 [L76] COND TRUE WrapperStruct00.var_1_5 || stepLocal_0 [L77] EXPR WrapperStruct00.var_1_15 [L77] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_15 [L79] EXPR WrapperStruct00.var_1_21 [L79] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L80] EXPR WrapperStruct00.var_1_18 [L80] WrapperStruct00.var_1_22 = WrapperStruct00.var_1_18 [L81] WrapperStruct00.var_1_23 = 0.010000000000000009 [L82] EXPR WrapperStruct00.var_1_20 [L82] EXPR WrapperStruct00.var_1_20 [L82] COND FALSE !(WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) [L85] EXPR WrapperStruct00.var_1_20 [L85] EXPR WrapperStruct00.var_1_20 [L85] COND TRUE WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20 [L86] EXPR WrapperStruct00.var_1_5 [L86] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_23 [L91] EXPR WrapperStruct00.var_1_20 [L91] EXPR WrapperStruct00.var_1_20 [L91] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) [L91] EXPR WrapperStruct00.var_1_20 [L91] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) [L91] COND FALSE !(WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR (WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR (WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L138] EXPR WrapperStruct00.var_1_1 [L138] EXPR WrapperStruct00.var_1_5 [L138] EXPR (WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L138] EXPR (WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) [L138] EXPR ((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1) [L138] EXPR WrapperStruct00.var_1_23 [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) [L138] EXPR (WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1 [L138] EXPR WrapperStruct00.var_1_7 [L138] EXPR WrapperStruct00.var_1_9 [L138] EXPR WrapperStruct00.var_1_10 [L138] EXPR (WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1 [L138] EXPR ((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1) [L138] EXPR (((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18))))) [L138] EXPR ((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1) [L138] EXPR (((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21)) [L138] EXPR ((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18)) [L138] EXPR (((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_23 == ((double) 0.010000000000000009)) [L138-L139] return (((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_23 == ((double) 0.010000000000000009)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 25, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:10:24,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:26,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:26,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:26,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:26,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:26,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:26,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:26,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:26,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:26,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:26,992 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:26,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:26,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:26,995 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:26,995 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:26,996 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:26,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:26,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:26,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:26,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:27,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:27,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:27,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:27,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:27,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:27,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:27,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:27,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:27,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:27,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:27,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:27,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:27,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:27,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:27,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:27,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:27,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:27,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:27,008 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:27,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:27,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:27,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:27,010 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:27,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:27,010 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_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 [2023-11-23 21:10:27,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:27,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:27,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:27,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:27,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:27,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:30,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:31,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:31,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:31,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/8703855c4/f36c15e4b22a473b8ab90bededb3f654/FLAG906e4fe25 [2023-11-23 21:10:31,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/data/8703855c4/f36c15e4b22a473b8ab90bededb3f654 [2023-11-23 21:10:31,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:31,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:31,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:31,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:31,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:31,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f0c351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31, skipping insertion in model container [2023-11-23 21:10:31,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:31,352 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_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-23 21:10:31,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:31,495 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:31,514 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_01d84f84-d303-4ee7-b786-26a7e988f38b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-23 21:10:31,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:31,632 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:31,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31 WrapperNode [2023-11-23 21:10:31,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:31,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:31,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:31,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:31,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,743 INFO L138 Inliner]: procedures = 36, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2023-11-23 21:10:31,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:31,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:31,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:31,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:31,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:31,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:31,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:31,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:31,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (1/1) ... [2023-11-23 21:10:31,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:31,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:31,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:10:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:10:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:10:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:10:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:10:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:10:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:10:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:10:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:10:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:31,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:31,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:10:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:10:32,104 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:32,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:33,327 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:33,382 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:33,383 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:33,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:33 BoogieIcfgContainer [2023-11-23 21:10:33,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:33,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:33,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:33,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:33,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:31" (1/3) ... [2023-11-23 21:10:33,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1b34b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:33, skipping insertion in model container [2023-11-23 21:10:33,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:31" (2/3) ... [2023-11-23 21:10:33,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1b34b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:33, skipping insertion in model container [2023-11-23 21:10:33,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:33" (3/3) ... [2023-11-23 21:10:33,393 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-61.i [2023-11-23 21:10:33,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:33,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:33,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:33,480 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;@29717609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:33,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:33,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:33,513 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:33,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:33,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:33,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1217593208, now seen corresponding path program 1 times [2023-11-23 21:10:33,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:33,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852742558] [2023-11-23 21:10:33,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:33,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:33,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:10:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:34,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:10:34,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-23 21:10:34,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:34,131 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852742558] [2023-11-23 21:10:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852742558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:34,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:34,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:34,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318778633] [2023-11-23 21:10:34,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:34,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:34,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:34,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:34,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:34,186 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:10:34,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:34,245 INFO L93 Difference]: Finished difference Result 223 states and 359 transitions. [2023-11-23 21:10:34,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:34,248 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2023-11-23 21:10:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:34,257 INFO L225 Difference]: With dead ends: 223 [2023-11-23 21:10:34,257 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 21:10:34,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:34,265 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:34,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 21:10:34,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-23 21:10:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-23 21:10:34,322 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 185 [2023-11-23 21:10:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:34,323 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-23 21:10:34,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:10:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-23 21:10:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:34,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:34,330 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:34,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:34,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:34,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:34,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1164152566, now seen corresponding path program 1 times [2023-11-23 21:10:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:34,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552773766] [2023-11-23 21:10:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:34,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:34,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:34,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:34,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:10:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:34,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:34,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:34,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:34,995 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:34,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552773766] [2023-11-23 21:10:34,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552773766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:34,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:34,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:10:35,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713369825] [2023-11-23 21:10:35,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:35,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:10:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:35,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:10:35,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:10:35,009 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:35,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:35,260 INFO L93 Difference]: Finished difference Result 253 states and 371 transitions. [2023-11-23 21:10:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:10:35,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-23 21:10:35,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:35,265 INFO L225 Difference]: With dead ends: 253 [2023-11-23 21:10:35,266 INFO L226 Difference]: Without dead ends: 143 [2023-11-23 21:10:35,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:10:35,269 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 83 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:35,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 756 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-23 21:10:35,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2023-11-23 21:10:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-11-23 21:10:35,298 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 185 [2023-11-23 21:10:35,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:35,303 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-11-23 21:10:35,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-11-23 21:10:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:35,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:35,309 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:35,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:10:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:35,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:35,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 354805940, now seen corresponding path program 1 times [2023-11-23 21:10:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119057487] [2023-11-23 21:10:35,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:35,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:35,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:35,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:35,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:10:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:35,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:10:35,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:35,957 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:35,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:35,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119057487] [2023-11-23 21:10:35,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119057487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:35,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:35,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:10:35,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775925634] [2023-11-23 21:10:35,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:35,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:10:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:35,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:10:35,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:10:35,962 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:36,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:36,347 INFO L93 Difference]: Finished difference Result 263 states and 376 transitions. [2023-11-23 21:10:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-23 21:10:36,348 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-23 21:10:36,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:36,351 INFO L225 Difference]: With dead ends: 263 [2023-11-23 21:10:36,351 INFO L226 Difference]: Without dead ends: 147 [2023-11-23 21:10:36,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:10:36,355 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 72 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:36,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1033 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:10:36,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-23 21:10:36,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 121. [2023-11-23 21:10:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 94 states have internal predecessors, (123), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2023-11-23 21:10:36,371 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 185 [2023-11-23 21:10:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:36,372 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2023-11-23 21:10:36,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2023-11-23 21:10:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:36,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:36,376 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:36,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:36,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:36,584 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:36,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:36,585 INFO L85 PathProgramCache]: Analyzing trace with hash 354865522, now seen corresponding path program 1 times [2023-11-23 21:10:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635733409] [2023-11-23 21:10:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:36,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:36,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:36,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:36,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:10:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:36,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:36,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:36,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2023-11-23 21:10:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:37,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:37,030 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:37,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635733409] [2023-11-23 21:10:37,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635733409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:37,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:37,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:37,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669558758] [2023-11-23 21:10:37,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:37,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:37,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:37,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:37,045 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:37,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:37,523 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2023-11-23 21:10:37,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:37,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-23 21:10:37,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:37,528 INFO L225 Difference]: With dead ends: 241 [2023-11-23 21:10:37,528 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 21:10:37,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:37,530 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:37,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 310 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:10:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 21:10:37,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-23 21:10:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2023-11-23 21:10:37,545 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 185 [2023-11-23 21:10:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:37,546 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2023-11-23 21:10:37,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2023-11-23 21:10:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:37,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:37,550 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:37,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-23 21:10:37,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:37,751 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:37,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:37,752 INFO L85 PathProgramCache]: Analyzing trace with hash 777567348, now seen corresponding path program 1 times [2023-11-23 21:10:37,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:37,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179175937] [2023-11-23 21:10:37,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:37,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:37,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:37,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:10:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:38,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 21:10:38,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:38,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:10:38,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2023-11-23 21:10:38,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-23 21:10:39,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:39,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 57 treesize of output 47 [2023-11-23 21:10:39,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:39,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 50 [2023-11-23 21:10:40,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:40,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 50 [2023-11-23 21:10:40,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:40,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 60 [2023-11-23 21:10:40,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:40,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 73 [2023-11-23 21:10:41,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:41,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 86 [2023-11-23 21:10:42,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:42,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 99 [2023-11-23 21:10:42,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:42,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-23 21:10:43,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:43,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 33 [2023-11-23 21:10:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 970 proven. 114 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-23 21:10:43,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-23 21:10:44,168 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:44,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179175937] [2023-11-23 21:10:44,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179175937] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:44,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [406459524] [2023-11-23 21:10:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:44,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:44,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:10:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:45,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 21:10:45,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:45,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:10:45,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-23 21:10:45,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-23 21:10:46,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:46,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-23 21:10:46,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:46,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2023-11-23 21:10:46,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:46,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2023-11-23 21:10:46,820 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:46,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 53 [2023-11-23 21:10:47,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:47,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 64 [2023-11-23 21:10:47,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:47,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 67 [2023-11-23 21:10:48,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:48,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 75 [2023-11-23 21:10:48,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:48,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 72 treesize of output 78 [2023-11-23 21:10:49,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:49,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 80 treesize of output 89 [2023-11-23 21:10:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1064 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-23 21:10:49,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:49,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [406459524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:49,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:10:49,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18, 8] total 35 [2023-11-23 21:10:49,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347988054] [2023-11-23 21:10:49,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:49,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 21:10:49,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:49,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 21:10:49,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 21:10:49,629 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 8 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (25), 8 states have call predecessors, (25), 8 states have call successors, (25) [2023-11-23 21:10:54,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:54,483 INFO L93 Difference]: Finished difference Result 311 states and 438 transitions. [2023-11-23 21:10:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:10:54,489 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 8 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (25), 8 states have call predecessors, (25), 8 states have call successors, (25) Word has length 185 [2023-11-23 21:10:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:54,491 INFO L225 Difference]: With dead ends: 311 [2023-11-23 21:10:54,491 INFO L226 Difference]: Without dead ends: 191 [2023-11-23 21:10:54,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 517 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=235, Invalid=1025, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 21:10:54,493 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 546 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:54,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 259 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-23 21:10:54,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-23 21:10:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2023-11-23 21:10:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 156 states have (on average 1.3205128205128205) internal successors, (206), 157 states have internal predecessors, (206), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2023-11-23 21:10:54,524 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 185 [2023-11-23 21:10:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:54,525 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2023-11-23 21:10:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 8 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (25), 8 states have call predecessors, (25), 8 states have call successors, (25) [2023-11-23 21:10:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2023-11-23 21:10:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:10:54,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:54,529 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:54,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:54,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:54,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:54,938 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:54,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:54,938 INFO L85 PathProgramCache]: Analyzing trace with hash 268094258, now seen corresponding path program 1 times [2023-11-23 21:10:54,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:54,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855103382] [2023-11-23 21:10:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:54,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:54,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:54,942 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:54,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:10:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:55,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 21:10:55,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:55,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 21:10:55,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:55,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:55,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:55,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:55,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:55,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:56,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-23 21:10:56,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2023-11-23 21:10:56,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:56,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 43 [2023-11-23 21:10:56,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:56,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 46 [2023-11-23 21:10:56,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:56,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 23 [2023-11-23 21:10:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 678 proven. 114 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2023-11-23 21:10:56,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-23 21:10:57,675 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855103382] [2023-11-23 21:10:57,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855103382] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1739177089] [2023-11-23 21:10:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:57,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:57,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:57,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d84f84-d303-4ee7-b786-26a7e988f38b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:10:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:59,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-23 21:10:59,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:59,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-23 21:10:59,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:10:59,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-23 21:11:00,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:00,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:00,836 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:00,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:01,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:01,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:01,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:01,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:01,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:01,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:02,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:02,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:11:02,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:02,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 48 [2023-11-23 21:11:02,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:11:02,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 51