./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 4675a6d019a62649b2c8ad57f2061f220679487a11c1dd453ecebcef9704015e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:40,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:40,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:40,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:40,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:40,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:40,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:40,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:40,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:40,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:40,200 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:40,201 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:40,201 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:40,203 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:40,204 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:40,204 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:40,204 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:40,205 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:40,205 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:40,206 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:40,206 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:40,207 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:40,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:40,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:40,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:40,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:40,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:40,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:40,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:40,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:40,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:40,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:40,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:40,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:40,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:40,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:40,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:40,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:40,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:40,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:40,215 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:40,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:40,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:40,216 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:40,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:40,217 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4675a6d019a62649b2c8ad57f2061f220679487a11c1dd453ecebcef9704015e [2023-11-12 00:08:40,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:40,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:40,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:40,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:40,516 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:40,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i [2023-11-12 00:08:43,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:43,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:43,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i [2023-11-12 00:08:43,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/55af091b6/d87be77f70bd4027bc7cc0269b3b9fd9/FLAG12d0a1a94 [2023-11-12 00:08:44,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/55af091b6/d87be77f70bd4027bc7cc0269b3b9fd9 [2023-11-12 00:08:44,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:44,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:44,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:44,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:44,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:44,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc0527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44, skipping insertion in model container [2023-11-12 00:08:44,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:44,219 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i[919,932] [2023-11-12 00:08:44,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:44,292 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:44,305 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i[919,932] [2023-11-12 00:08:44,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:44,353 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:44,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44 WrapperNode [2023-11-12 00:08:44,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:44,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:44,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:44,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:44,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,423 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-12 00:08:44,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:44,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:44,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:44,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:44,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:44,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:44,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:44,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:44,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:44,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:44,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:44,651 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:44,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:45,057 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:45,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:45,562 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:45,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45 BoogieIcfgContainer [2023-11-12 00:08:45,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:45,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:45,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:45,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:45,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:44" (1/3) ... [2023-11-12 00:08:45,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8af80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:45, skipping insertion in model container [2023-11-12 00:08:45,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (2/3) ... [2023-11-12 00:08:45,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8af80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:45, skipping insertion in model container [2023-11-12 00:08:45,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45" (3/3) ... [2023-11-12 00:08:45,583 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-75.i [2023-11-12 00:08:45,607 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:45,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:45,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:45,678 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;@625e4a3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:45,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:08:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:08:45,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:45,697 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:45,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:45,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:45,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2142949746, now seen corresponding path program 1 times [2023-11-12 00:08:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:45,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235282317] [2023-11-12 00:08:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:46,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:46,789 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:46,791 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:46,793 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:46,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:08:46,800 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:46,805 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:46,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:46 BoogieIcfgContainer [2023-11-12 00:08:46,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:46,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:46,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:46,918 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:46,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45" (3/4) ... [2023-11-12 00:08:46,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:46,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:46,923 INFO L158 Benchmark]: Toolchain (without parser) took 2913.95ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 98.3MB in the beginning and 123.4MB in the end (delta: -25.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,923 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:46,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.42ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 84.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.01ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 81.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,925 INFO L158 Benchmark]: Boogie Preprocessor took 39.48ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 80.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,926 INFO L158 Benchmark]: RCFGBuilder took 1101.45ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 80.1MB in the beginning and 129.6MB in the end (delta: -49.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,927 INFO L158 Benchmark]: TraceAbstraction took 1344.76ms. Allocated memory is still 190.8MB. Free memory was 128.5MB in the beginning and 123.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-12 00:08:46,927 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 190.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:46,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.42ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 84.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.01ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 81.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.48ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 80.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1101.45ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 80.1MB in the beginning and 129.6MB in the end (delta: -49.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1344.76ms. Allocated memory is still 190.8MB. Free memory was 128.5MB in the beginning and 123.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 190.8MB. Free memory is still 123.4MB. 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 46, overapproximation of bitwiseOr at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.6; [L23] float var_1_4 = 128.75; [L24] float var_1_5 = 25.125; [L25] float var_1_6 = 1000000.75; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] float var_1_15 = 25.75; [L32] double var_1_16 = 0.4; [L33] double var_1_17 = 0.0; [L34] double var_1_18 = 0.0; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 24.8; [L37] signed char var_1_21 = 1; [L38] double var_1_22 = 200.8; [L39] unsigned short int var_1_23 = 40076; [L40] unsigned short int var_1_24 = 8; [L41] unsigned long int var_1_25 = 2; [L42] double last_1_var_1_22 = 200.8; [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] CALL updateLastVariables() [L119] last_1_var_1_22 = var_1_22 [L129] RET updateLastVariables() [L130] CALL updateVariables() [L85] var_1_4 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L87] var_1_5 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L89] var_1_6 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L93] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L94] var_1_12 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L96] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L100] var_1_14 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L102] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L103] var_1_17 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L105] var_1_18 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L107] var_1_19 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L109] var_1_20 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L111] var_1_23 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L113] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L114] var_1_24 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L116] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L130] RET updateVariables() [L131] CALL step() [L46] COND TRUE ! (var_1_4 < 16.8f) [L47] var_1_15 = var_1_6 [L49] var_1_25 = var_1_23 [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] COND TRUE (((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25 [L51] var_1_7 = ((var_1_11 && var_1_12) && var_1_13) [L59] COND FALSE !(var_1_25 > var_1_25) [L62] COND FALSE !(var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) [L65] var_1_16 = var_1_20 [L68] COND FALSE !(var_1_18 < (last_1_var_1_22 * var_1_4)) [L75] var_1_22 = var_1_20 [L77] COND TRUE (-1 <= var_1_25) || var_1_7 [L78] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L80] COND TRUE (- (var_1_17 + var_1_1)) >= var_1_16 [L81] var_1_21 = ((((-50) < 0 ) ? -(-50) : (-50))) [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR (((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13)))) [L122] EXPR 4 | var_1_25 [L122] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L122] EXPR 4 | var_1_25 [L122] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L122] EXPR (((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13)))) [L122-L123] return ((((((((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13))))) && ((! (var_1_4 < 16.8f)) ? (var_1_15 == ((float) var_1_6)) : 1)) && ((var_1_25 > var_1_25) ? (var_1_16 == ((double) ((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_19) - var_1_20))) : ((var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) ? (var_1_16 == ((double) var_1_6)) : (var_1_16 == ((double) var_1_20))))) && (((- (var_1_17 + var_1_1)) >= var_1_16) ? (var_1_21 == ((signed char) ((((-50) < 0 ) ? -(-50) : (-50))))) : 1)) && ((var_1_18 < (last_1_var_1_22 * var_1_4)) ? (((var_1_23 - var_1_24) < var_1_25) ? (var_1_22 == ((double) var_1_5)) : (var_1_22 == ((double) var_1_17))) : (var_1_22 == ((double) var_1_20)))) && (var_1_25 == ((unsigned long int) var_1_23)) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=50, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=50, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 19, 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=41occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 00:08:46,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 4675a6d019a62649b2c8ad57f2061f220679487a11c1dd453ecebcef9704015e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:49,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:49,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:49,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:49,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:49,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:49,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:49,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:49,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:49,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:49,975 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:49,975 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:49,976 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:49,978 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:49,978 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:49,979 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:49,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:49,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:49,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:49,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:49,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:49,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:49,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:49,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:49,985 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:49,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:49,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:49,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:49,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:49,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:49,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:49,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:49,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:49,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:49,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:49,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:49,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:49,992 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:49,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:49,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:49,994 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:49,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:49,994 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4675a6d019a62649b2c8ad57f2061f220679487a11c1dd453ecebcef9704015e [2023-11-12 00:08:50,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:50,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:50,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:50,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:50,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:50,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i [2023-11-12 00:08:53,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:54,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:54,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i [2023-11-12 00:08:54,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/143b8ad5f/893e9105813643c08d2561c3d69b2f86/FLAG340f5a14e [2023-11-12 00:08:54,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/data/143b8ad5f/893e9105813643c08d2561c3d69b2f86 [2023-11-12 00:08:54,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:54,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:54,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:54,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:54,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74195c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54, skipping insertion in model container [2023-11-12 00:08:54,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:54,473 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i[919,932] [2023-11-12 00:08:54,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:54,606 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_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-75.i[919,932] [2023-11-12 00:08:54,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,704 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:54,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54 WrapperNode [2023-11-12 00:08:54,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:54,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:54,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,826 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2023-11-12 00:08:54,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:54,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:54,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:54,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:54,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:54,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:54,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:54,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:08:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:55,138 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:55,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:05,944 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:05,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:05,951 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:05,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:05 BoogieIcfgContainer [2023-11-12 00:09:05,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:05,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:05,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:05,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:05,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:54" (1/3) ... [2023-11-12 00:09:05,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfe34d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:05, skipping insertion in model container [2023-11-12 00:09:05,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (2/3) ... [2023-11-12 00:09:05,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfe34d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:05, skipping insertion in model container [2023-11-12 00:09:05,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:05" (3/3) ... [2023-11-12 00:09:05,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-75.i [2023-11-12 00:09:06,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:06,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:06,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:06,061 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;@36decc80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:06,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 00:09:06,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:06,088 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:06,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:06,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:06,099 INFO L85 PathProgramCache]: Analyzing trace with hash 271658895, now seen corresponding path program 1 times [2023-11-12 00:09:06,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:06,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894181757] [2023-11-12 00:09:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:06,117 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 00:09:06,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:06,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 00:09:06,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 00:09:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:07,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:09:07,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 00:09:07,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:07,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894181757] [2023-11-12 00:09:07,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894181757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:07,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:07,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:07,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490188983] [2023-11-12 00:09:07,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:07,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:09:07,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:07,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:09:07,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:07,167 INFO L87 Difference]: Start difference. First operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:07,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:07,200 INFO L93 Difference]: Finished difference Result 115 states and 195 transitions. [2023-11-12 00:09:07,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:09:07,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2023-11-12 00:09:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:07,212 INFO L225 Difference]: With dead ends: 115 [2023-11-12 00:09:07,212 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 00:09:07,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 00:09:07,220 INFO L413 NwaCegarLoop]: 83 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, 83 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 00:09:07,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 00:09:07,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 00:09:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2023-11-12 00:09:07,269 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 124 [2023-11-12 00:09:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:07,271 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2023-11-12 00:09:07,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2023-11-12 00:09:07,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 00:09:07,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:07,275 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:07,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:07,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 00:09:07,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:07,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1843537523, now seen corresponding path program 1 times [2023-11-12 00:09:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922891432] [2023-11-12 00:09:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:07,499 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 00:09:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:07,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 00:09:07,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb6dd2e2-82f4-4037-a7f6-4988322b7e94/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 00:09:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:08,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-12 00:09:08,630 INFO L285 TraceCheckSpWp]: Computing forward predicates...