./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX --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 adf694b6ddef665d6d08615d55edd3b888b46a164390930323ad37ea28078730 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:49,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:49,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:50:49,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:49,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:49,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:49,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:49,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:49,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:49,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:49,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:49,403 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:49,403 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:49,405 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:49,406 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:49,406 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:49,406 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:49,407 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:49,407 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:49,408 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:49,408 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:49,409 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:49,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:49,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:49,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:50:49,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:49,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:50:49,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:49,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:49,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:49,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:49,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:50:49,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:49,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:49,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:49,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:49,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:49,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:49,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:49,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:49,417 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:49,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:49,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:49,418 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:49,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:49,419 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf694b6ddef665d6d08615d55edd3b888b46a164390930323ad37ea28078730 [2023-11-12 00:50:49,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:49,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:49,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:49,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:49,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:49,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i [2023-11-12 00:50:52,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:53,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:53,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i [2023-11-12 00:50:53,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/cc09bed9b/9831e01531d84717b4f14584334dd013/FLAG62f305364 [2023-11-12 00:50:53,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/cc09bed9b/9831e01531d84717b4f14584334dd013 [2023-11-12 00:50:53,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:53,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:53,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:53,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:53,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:53,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2810104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53, skipping insertion in model container [2023-11-12 00:50:53,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:53,381 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i[913,926] [2023-11-12 00:50:53,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:53,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:53,456 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i[913,926] [2023-11-12 00:50:53,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:53,505 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:53,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53 WrapperNode [2023-11-12 00:50:53,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:53,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:53,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:53,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:53,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,571 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-12 00:50:53,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:53,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:53,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:53,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:53,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:53,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:53,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:53,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:53,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:53,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:53,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:53,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:50:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:50:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:53,871 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:53,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:54,264 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:54,502 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:54,502 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:50:54,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:54 BoogieIcfgContainer [2023-11-12 00:50:54,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:54,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:54,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:54,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:54,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:53" (1/3) ... [2023-11-12 00:50:54,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c2b31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:54, skipping insertion in model container [2023-11-12 00:50:54,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (2/3) ... [2023-11-12 00:50:54,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c2b31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:54, skipping insertion in model container [2023-11-12 00:50:54,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:54" (3/3) ... [2023-11-12 00:50:54,516 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-83.i [2023-11-12 00:50:54,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:54,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:50:54,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:50:54,624 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;@67a26218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:50:54,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:50:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:50:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:50:54,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:54,648 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:54,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:50:54,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:54,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1055651944, now seen corresponding path program 1 times [2023-11-12 00:50:54,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:54,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657020017] [2023-11-12 00:50:54,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:54,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:50:54,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367863269] [2023-11-12 00:50:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:50:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:54,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:50:54,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:50:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:55,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:50:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:55,130 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:50:55,132 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:50:55,134 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:50:55,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:50:55,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:50:55,348 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:50:55,352 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:50:55,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:50:55 BoogieIcfgContainer [2023-11-12 00:50:55,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:50:55,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:50:55,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:50:55,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:50:55,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:54" (3/4) ... [2023-11-12 00:50:55,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:50:55,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:50:55,428 INFO L158 Benchmark]: Toolchain (without parser) took 2236.08ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 78.2MB in the end (delta: 39.3MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,428 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:55,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.33ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 104.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 101.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,430 INFO L158 Benchmark]: Boogie Preprocessor took 41.51ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:55,431 INFO L158 Benchmark]: RCFGBuilder took 890.91ms. Allocated memory is still 163.6MB. Free memory was 99.5MB in the beginning and 108.6MB in the end (delta: -9.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,432 INFO L158 Benchmark]: TraceAbstraction took 911.89ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 78.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,432 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 163.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:55,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.33ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 104.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 101.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.51ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 890.91ms. Allocated memory is still 163.6MB. Free memory was 99.5MB in the beginning and 108.6MB in the end (delta: -9.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 911.89ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 78.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 163.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of bitwiseOr at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 25; [L25] unsigned char var_1_4 = 4; [L26] double var_1_8 = 127.625; [L27] double var_1_10 = 0.8; [L28] double var_1_11 = 128.75; [L29] double var_1_12 = 24.8; [L30] signed short int var_1_14 = -128; [L31] signed char var_1_15 = 64; [L32] signed char var_1_16 = 5; [L33] double var_1_17 = 1.5; [L34] unsigned short int last_1_var_1_1 = 128; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_1 = var_1_1 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=1021/8] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=1021/8] [L70] var_1_3 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=4, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=4, var_1_8=1021/8] [L72] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=4, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=4, var_1_8=1021/8] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L75] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L76] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=4/5, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L77] var_1_10 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=515/4, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L79] var_1_11 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L81] var_1_16 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=2, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=2, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L83] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=2, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=-128, var_1_15=64, var_1_16=2, var_1_17=3/2, var_1_1=128, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=1021/8] [L97] RET updateVariables() [L98] CALL step() [L38] var_1_14 = 200 [L39] var_1_15 = var_1_16 [L40] var_1_17 = var_1_10 [L41] signed long int stepLocal_0 = var_1_3 / var_1_4; [L42] COND TRUE \read(var_1_2) [L43] var_1_1 = (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) [L51] signed long int stepLocal_2 = var_1_3 + var_1_1; [L52] EXPR var_1_14 ^ var_1_15 [L52] signed long int stepLocal_1 = var_1_14 ^ var_1_15; [L53] COND FALSE !(var_1_15 <= stepLocal_2) [L60] var_1_8 = var_1_10 [L62] COND FALSE !(var_1_15 > var_1_15) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR (var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((double) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((double) var_1_11))) : (var_1_8 == ((double) var_1_10))) [L89] EXPR (var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((double) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((double) var_1_11))) : (var_1_8 == ((double) var_1_10)) [L89] EXPR (var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((double) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((double) var_1_11))) : (var_1_8 == ((double) var_1_10))) [L89-L90] return (((((var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((double) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((double) var_1_11))) : (var_1_8 == ((double) var_1_10)))) && ((var_1_15 > var_1_15) ? (var_1_12 == ((double) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) : 1)) && (var_1_14 == ((signed short int) 200))) && (var_1_15 == ((signed char) var_1_16))) && (var_1_17 == ((double) var_1_10)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=200, var_1_15=2, var_1_16=2, var_1_17=2, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=128, var_1_10=2, var_1_11=3, var_1_12=124/5, var_1_14=200, var_1_15=2, var_1_16=2, var_1_17=2, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=1, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 11, 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=26occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 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 [2023-11-12 00:50:55,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX --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 adf694b6ddef665d6d08615d55edd3b888b46a164390930323ad37ea28078730 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:58,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:58,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:50:58,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:58,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:58,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:58,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:58,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:58,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:58,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:58,536 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:58,536 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:58,537 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:58,540 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:58,541 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:58,541 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:58,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:58,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:58,543 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:50:58,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:50:58,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:58,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:58,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:58,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:58,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:50:58,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:50:58,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:50:58,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:50:58,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:58,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:58,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:58,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:50:58,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:58,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:58,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:58,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:58,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:58,553 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:50:58,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:50:58,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:58,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:58,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:58,556 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf694b6ddef665d6d08615d55edd3b888b46a164390930323ad37ea28078730 [2023-11-12 00:50:59,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:59,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:59,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:59,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:59,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:59,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i [2023-11-12 00:51:02,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:02,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:02,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i [2023-11-12 00:51:02,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/58d2a56a4/73a2f1a30853458990526283cea1de7b/FLAGff8c493d8 [2023-11-12 00:51:02,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/data/58d2a56a4/73a2f1a30853458990526283cea1de7b [2023-11-12 00:51:02,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:02,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:02,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:02,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:02,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:02,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:02" (1/1) ... [2023-11-12 00:51:02,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a54a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:02, skipping insertion in model container [2023-11-12 00:51:02,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:02" (1/1) ... [2023-11-12 00:51:02,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:02,980 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i[913,926] [2023-11-12 00:51:03,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:03,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:03,100 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_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-83.i[913,926] [2023-11-12 00:51:03,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:03,171 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:03,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03 WrapperNode [2023-11-12 00:51:03,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:03,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:03,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:03,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:03,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,251 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-11-12 00:51:03,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:03,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:03,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:03,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:03,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:03,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:03,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:03,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:03,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:03,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:03,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:51:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:03,506 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:03,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:04,760 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:04,767 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:04,768 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:04,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:04 BoogieIcfgContainer [2023-11-12 00:51:04,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:04,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:04,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:04,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:04,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:02" (1/3) ... [2023-11-12 00:51:04,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd692c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:04, skipping insertion in model container [2023-11-12 00:51:04,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (2/3) ... [2023-11-12 00:51:04,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd692c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:04, skipping insertion in model container [2023-11-12 00:51:04,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:04" (3/3) ... [2023-11-12 00:51:04,782 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-83.i [2023-11-12 00:51:04,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:04,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:04,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:04,869 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;@122c4814, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:04,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:51:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:51:04,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:04,890 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:04,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:04,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash -599153747, now seen corresponding path program 1 times [2023-11-12 00:51:04,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:04,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947841250] [2023-11-12 00:51:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:04,915 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 [2023-11-12 00:51:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:04,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:51:04,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:51:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:05,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:51:05,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-12 00:51:05,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:51:05,313 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:51:05,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947841250] [2023-11-12 00:51:05,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947841250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:05,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:05,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:51:05,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155098938] [2023-11-12 00:51:05,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:05,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:51:05,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:51:05,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:51:05,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:51:05,355 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:51:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:05,382 INFO L93 Difference]: Finished difference Result 77 states and 125 transitions. [2023-11-12 00:51:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:51:05,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2023-11-12 00:51:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:05,392 INFO L225 Difference]: With dead ends: 77 [2023-11-12 00:51:05,392 INFO L226 Difference]: Without dead ends: 38 [2023-11-12 00:51:05,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:51:05,400 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:05,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:51:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-12 00:51:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-12 00:51:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:51:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2023-11-12 00:51:05,453 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 74 [2023-11-12 00:51:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:05,454 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2023-11-12 00:51:05,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:51:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2023-11-12 00:51:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:51:05,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:05,462 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:05,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:51:05,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:51:05,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:05,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1898876107, now seen corresponding path program 1 times [2023-11-12 00:51:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:05,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381737208] [2023-11-12 00:51:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:05,681 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 [2023-11-12 00:51:05,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:05,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:51:05,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d67a61-a515-4815-9c6e-3e0a01ec9ff7/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:51:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:06,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:51:06,059 INFO L285 TraceCheckSpWp]: Computing forward predicates...