./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:33,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:33,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:49:33,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:33,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:33,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:33,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:33,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:33,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:33,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:33,398 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:33,399 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:33,400 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:33,400 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:33,401 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:33,401 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:33,402 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:33,403 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:33,403 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:33,404 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:33,405 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:33,406 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:33,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:33,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:33,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:33,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:33,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:33,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:33,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:33,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:33,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:33,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:33,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:33,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:33,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:33,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:33,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:33,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:33,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:33,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:33,417 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:33,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:33,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:33,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:33,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:33,420 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 [2023-11-12 00:49:33,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:33,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:33,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:33,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:33,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:33,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:37,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:37,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:37,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:37,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/6239ecac9/dbc82e81eb5341e88bb21035f192ff2d/FLAGe66110701 [2023-11-12 00:49:37,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/6239ecac9/dbc82e81eb5341e88bb21035f192ff2d [2023-11-12 00:49:37,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:37,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:37,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:37,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:37,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:37,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:37,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd7d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37, skipping insertion in model container [2023-11-12 00:49:37,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:37,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:37,715 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2023-11-12 00:49:37,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:37,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:37,852 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2023-11-12 00:49:37,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:37,911 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:37,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37 WrapperNode [2023-11-12 00:49:37,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:37,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:37,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:37,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:37,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:37,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:37,989 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-11-12 00:49:37,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:37,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:37,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:37,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:38,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:38,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:38,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:38,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:38,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (1/1) ... [2023-11-12 00:49:38,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:38,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:38,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:38,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:49:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:38,242 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:38,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:38,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:38,877 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:38,878 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:38,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:38 BoogieIcfgContainer [2023-11-12 00:49:38,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:38,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:38,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:38,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:38,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:37" (1/3) ... [2023-11-12 00:49:38,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fac08d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:38, skipping insertion in model container [2023-11-12 00:49:38,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:37" (2/3) ... [2023-11-12 00:49:38,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fac08d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:38, skipping insertion in model container [2023-11-12 00:49:38,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:38" (3/3) ... [2023-11-12 00:49:38,896 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:38,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:38,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:38,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:39,002 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;@67af66a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:39,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:49:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-12 00:49:39,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:39,023 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:39,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:39,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2052661093, now seen corresponding path program 1 times [2023-11-12 00:49:39,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:39,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555573275] [2023-11-12 00:49:39,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:39,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:39,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:49:39,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889185493] [2023-11-12 00:49:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:39,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:39,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:39,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:49:39,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:49:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:39,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:49:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:39,710 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:49:39,713 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:49:39,714 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:49:39,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:49:39,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:49:39,928 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:49:39,933 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:40,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:40 BoogieIcfgContainer [2023-11-12 00:49:40,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:40,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:40,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:40,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:40,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:38" (3/4) ... [2023-11-12 00:49:40,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:49:40,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:40,035 INFO L158 Benchmark]: Toolchain (without parser) took 2611.80ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 92.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,036 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:40,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.97ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 114.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.46ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 110.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,045 INFO L158 Benchmark]: Boogie Preprocessor took 44.62ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 109.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,048 INFO L158 Benchmark]: RCFGBuilder took 844.70ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 122.0MB in the end (delta: -13.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,049 INFO L158 Benchmark]: TraceAbstraction took 1143.59ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 93.3MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:49:40,049 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 169.9MB. Free memory was 93.3MB in the beginning and 92.7MB in the end (delta: 605.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:40,061 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 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.97ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 114.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.46ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 110.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.62ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 109.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.70ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 122.0MB in the end (delta: -13.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1143.59ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 93.3MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 169.9MB. Free memory was 93.3MB in the beginning and 92.7MB in the end (delta: 605.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of shiftLeft at line 41, overapproximation of someUnaryDOUBLEoperation at line 29. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned short int var_1_5 = 200; [L24] unsigned short int var_1_6 = 56955; [L25] unsigned short int var_1_7 = 32; [L26] unsigned short int var_1_8 = 1; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 1; [L29] float var_1_11 = -0.6; [L30] float var_1_12 = 9.125; [L31] float var_1_13 = 50.5; [L32] unsigned short int last_1_var_1_1 = 10; [L33] unsigned short int last_1_var_1_9 = 8; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_1 = var_1_1 [L86] last_1_var_1_9 = var_1_9 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L66] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L67] var_1_6 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L69] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L70] var_1_7 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1, var_1_9=8] [L73] var_1_8 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L79] var_1_12 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=2, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=2, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L81] var_1_13 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=2, var_1_13=3, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=2, var_1_13=3, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=8] [L97] RET updateVariables() [L98] CALL step() [L37] COND TRUE last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1) [L38] var_1_1 = ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))) [L40] COND TRUE var_1_10 || (var_1_6 == var_1_8) [L41] EXPR ((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1 [L41] COND FALSE !(var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) [L48] var_1_9 = 2 [L53] COND FALSE !(var_1_7 != var_1_6) [L60] var_1_11 = var_1_12 [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) [L89] EXPR ((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1 [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89-L90] return (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)))) && ((var_1_7 != var_1_6) ? ((var_1_7 <= var_1_9) ? (var_1_11 == ((float) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_11 == ((float) var_1_12))) : (var_1_11 == ((float) var_1_12))) ; [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=10, last_1_var_1_9=8, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=3, var_1_1=0, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=3, var_1_1=0, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 12, 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=28occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 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 00:49:40,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:42,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:42,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:49:42,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:42,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:42,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:42,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:42,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:42,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:42,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:42,968 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:42,969 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:42,969 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:42,971 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:42,972 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:42,972 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:42,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:42,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:42,975 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:42,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:42,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:42,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:42,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:42,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:42,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:49:42,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:49:42,979 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:49:42,979 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:42,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:42,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:42,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:42,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:49:42,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:42,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:42,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:42,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:42,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:42,984 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:49:42,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:42,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:42,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:42,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:42,987 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884d5b26a9a5c3e1f2ddd732744de1f7633395324aa060e9edd0f0bad2da1ac4 [2023-11-12 00:49:43,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:43,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:43,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:43,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:43,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:43,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:46,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:47,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:47,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:47,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/0397ea64d/dfce40d09e0a4d78925e375c84bda698/FLAGa9068d8f8 [2023-11-12 00:49:47,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/data/0397ea64d/dfce40d09e0a4d78925e375c84bda698 [2023-11-12 00:49:47,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:47,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:47,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:47,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:47,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:47,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d489b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47, skipping insertion in model container [2023-11-12 00:49:47,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:47,516 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2023-11-12 00:49:47,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:47,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:47,633 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_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-2.i[912,925] [2023-11-12 00:49:47,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:47,700 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:47,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47 WrapperNode [2023-11-12 00:49:47,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:47,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:47,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:47,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:47,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,789 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-11-12 00:49:47,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:47,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:47,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:47,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:47,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:47,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:47,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:47,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:47,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (1/1) ... [2023-11-12 00:49:47,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:47,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:47,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:49:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:47,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:48,031 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:48,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:48,519 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:48,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:48,527 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:48,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:48 BoogieIcfgContainer [2023-11-12 00:49:48,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:48,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:48,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:48,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:48,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:47" (1/3) ... [2023-11-12 00:49:48,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71047821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:48, skipping insertion in model container [2023-11-12 00:49:48,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:47" (2/3) ... [2023-11-12 00:49:48,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71047821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:48, skipping insertion in model container [2023-11-12 00:49:48,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:48" (3/3) ... [2023-11-12 00:49:48,540 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-2.i [2023-11-12 00:49:48,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:48,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:48,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:48,619 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;@1234d49a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:48,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:49:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:49:48,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:48,637 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:48,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:48,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:48,645 INFO L85 PathProgramCache]: Analyzing trace with hash -475101046, now seen corresponding path program 1 times [2023-11-12 00:49:48,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:48,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328688996] [2023-11-12 00:49:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:48,661 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 00:49:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:48,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:48,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:49,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:49:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-12 00:49:49,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:49,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328688996] [2023-11-12 00:49:49,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328688996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:49,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:49,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:49:49,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650484101] [2023-11-12 00:49:49,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:49,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:49,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:49,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:49,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:49,145 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 00:49:49,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:49,215 INFO L93 Difference]: Finished difference Result 81 states and 134 transitions. [2023-11-12 00:49:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:49,218 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2023-11-12 00:49:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:49,230 INFO L225 Difference]: With dead ends: 81 [2023-11-12 00:49:49,230 INFO L226 Difference]: Without dead ends: 40 [2023-11-12 00:49:49,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 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 00:49:49,240 INFO L413 NwaCegarLoop]: 57 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, 57 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 00:49:49,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:49:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-12 00:49:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-12 00:49:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:49:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2023-11-12 00:49:49,309 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 79 [2023-11-12 00:49:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:49,310 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2023-11-12 00:49:49,311 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 00:49:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-12 00:49:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:49:49,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:49,320 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:49,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:49,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:49,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:49,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2098690894, now seen corresponding path program 1 times [2023-11-12 00:49:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401773835] [2023-11-12 00:49:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:49,534 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 00:49:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:49,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:49,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e115c01-1a28-41fc-b26c-f7b82e4cd60d/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 00:49:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:49,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 00:49:49,736 INFO L285 TraceCheckSpWp]: Computing forward predicates...