./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:48,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:48,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:48,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:48,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:48,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:48,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:48,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:48,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:48,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:48,251 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:48,252 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:48,252 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:48,254 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:48,254 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:48,255 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:48,255 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:48,256 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:48,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:48,257 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:48,257 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:48,258 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:48,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:48,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:48,260 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:48,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:48,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:48,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:48,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:48,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:48,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:48,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:48,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:48,264 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:48,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:48,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:48,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:48,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:48,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:48,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:48,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:48,266 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:48,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:48,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:48,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:48,268 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:48,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:48,268 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 [2023-11-23 21:14:48,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:48,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:48,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:48,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:48,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:48,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2023-11-23 21:14:52,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:52,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:52,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2023-11-23 21:14:52,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/1db1df7f8/e19743dfd92d482ba14e9592d6cb6dbd/FLAGe48b8e54e [2023-11-23 21:14:52,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/1db1df7f8/e19743dfd92d482ba14e9592d6cb6dbd [2023-11-23 21:14:52,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:52,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:52,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:52,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:52,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:52,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c46ae8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52, skipping insertion in model container [2023-11-23 21:14:52,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:52,717 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2023-11-23 21:14:52,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:52,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:52,839 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2023-11-23 21:14:52,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:52,924 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:52,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52 WrapperNode [2023-11-23 21:14:52,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:52,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:52,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:52,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:52,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,996 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-23 21:14:52,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:52,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:52,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:52,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:53,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:53,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:53,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:53,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:53,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:53,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:53,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:53,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:53,202 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:53,204 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:53,529 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:53,751 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:53,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:53,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:53 BoogieIcfgContainer [2023-11-23 21:14:53,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:53,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:53,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:53,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:53,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:52" (1/3) ... [2023-11-23 21:14:53,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2a1ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:53, skipping insertion in model container [2023-11-23 21:14:53,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (2/3) ... [2023-11-23 21:14:53,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2a1ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:53, skipping insertion in model container [2023-11-23 21:14:53,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:53" (3/3) ... [2023-11-23 21:14:53,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-89.i [2023-11-23 21:14:53,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:53,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:53,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:53,861 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;@468c7afe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:53,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:14:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 21:14:53,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:53,883 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:53,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:53,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2117595658, now seen corresponding path program 1 times [2023-11-23 21:14:53,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:53,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457069922] [2023-11-23 21:14:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:53,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:54,129 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:14:54,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828714027] [2023-11-23 21:14:54,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:54,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:54,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:54,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:14:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:54,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:54,721 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:54,724 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:54,725 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:54,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:54,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:14:54,939 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:54,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:55,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:55 BoogieIcfgContainer [2023-11-23 21:14:55,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:55,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:55,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:55,044 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:55,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:53" (3/4) ... [2023-11-23 21:14:55,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:55,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:55,055 INFO L158 Benchmark]: Toolchain (without parser) took 2599.68ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 111.2MB in the end (delta: 19.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,056 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:55,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.77ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 116.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.16ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 113.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,064 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,065 INFO L158 Benchmark]: RCFGBuilder took 716.44ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 74.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,067 INFO L158 Benchmark]: TraceAbstraction took 1284.90ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 112.3MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:55,067 INFO L158 Benchmark]: Witness Printer took 10.66ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:55,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.77ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 116.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.16ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 113.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 716.44ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 74.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1284.90ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 112.3MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.66ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] signed long int var_1_2 = 16; [L24] signed long int var_1_3 = 4; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] signed long int var_1_6 = 256; [L28] signed long int var_1_7 = -1; [L29] unsigned short int var_1_8 = 32; [L30] signed long int var_1_9 = -16; [L31] unsigned short int var_1_10 = 5; [L32] unsigned short int var_1_11 = 128; [L33] unsigned char var_1_12 = 32; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] double var_1_16 = 63.75; [L38] double var_1_17 = 8.5; [L39] signed short int var_1_18 = -64; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L100] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L101] var_1_3 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L103] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L104] var_1_4 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L106] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L107] var_1_5 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_5 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_5 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L109] CALL assume_abort_if_not(var_1_5 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_5 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L110] var_1_6 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_6 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_6 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L112] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L113] var_1_7 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_7 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_7 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=-16] [L115] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=-16] [L116] var_1_9 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L119] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L120] var_1_10 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L122] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=32, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L123] var_1_11 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L125] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L126] var_1_13 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L128] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L129] var_1_15 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L131] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L132] var_1_17 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L146] RET updateVariables() [L147] CALL step() [L43] COND FALSE !(var_1_2 != var_1_3) [L48] signed long int stepLocal_1 = var_1_5 / var_1_9; [L49] signed long int stepLocal_0 = var_1_2 * 256; [L50] COND FALSE !(var_1_6 >= stepLocal_1) [L57] var_1_8 = var_1_10 [L59] COND FALSE !(var_1_10 < var_1_1) [L70] unsigned char stepLocal_2 = var_1_12; [L71] COND TRUE stepLocal_2 > (((((var_1_3) < (var_1_8)) ? (var_1_3) : (var_1_8))) + var_1_10) [L72] COND FALSE !(! (var_1_8 >= var_1_5)) [L79] var_1_14 = var_1_15 [L82] COND FALSE !(\read(var_1_14)) [L89] COND TRUE \read(var_1_4) [L90] var_1_16 = 5.2 [L95] var_1_18 = var_1_12 [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 != var_1_3) ? (var_1_4 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_5)) ? (-5) : (var_1_5)))) < (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) ? (((((-5) > (var_1_5)) ? (-5) : (var_1_5)))) : (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))))))) : 1) : 1) && ((var_1_6 >= (var_1_5 / var_1_9)) ? ((var_1_3 < (var_1_2 * 256)) ? (var_1_8 == ((unsigned short int) ((((var_1_10) < (((((128) < (var_1_11)) ? (128) : (var_1_11))))) ? (var_1_10) : (((((128) < (var_1_11)) ? (128) : (var_1_11)))))))) : (var_1_8 == ((unsigned short int) var_1_11))) : (var_1_8 == ((unsigned short int) var_1_10)))) && ((var_1_10 < var_1_1) ? ((var_1_3 <= (5 - var_1_8)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((var_1_3 == var_1_6) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_12 > (((((var_1_3) < (var_1_8)) ? (var_1_3) : (var_1_8))) + var_1_10)) ? ((! (var_1_8 >= var_1_5)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_4 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_12)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=26/5, var_1_17=0, var_1_18=32, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=26/5, var_1_17=0, var_1_18=32, var_1_1=32, var_1_2=-2, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=-2147483647, var_1_8=32, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:14:55,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:57,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:57,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:57,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:57,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:58,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:58,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:58,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:58,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:58,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:58,030 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:58,030 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:58,030 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:58,032 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:58,033 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:58,033 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:58,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:58,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:58,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:58,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:58,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:58,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:58,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:58,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:58,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:58,038 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:58,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:58,039 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:58,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:58,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:58,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:58,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:58,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:58,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:58,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:58,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:58,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:58,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:58,044 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:58,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:58,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:58,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:58,045 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:58,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:58,046 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 [2023-11-23 21:14:58,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:58,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:58,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:58,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:58,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:58,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2023-11-23 21:15:01,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:02,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:02,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2023-11-23 21:15:02,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/0a25b40fd/942671b8bfec44c08fb4fc779e44ff6a/FLAG1bd267777 [2023-11-23 21:15:02,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/data/0a25b40fd/942671b8bfec44c08fb4fc779e44ff6a [2023-11-23 21:15:02,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:02,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:02,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:02,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:02,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:02,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:02,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12eacde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02, skipping insertion in model container [2023-11-23 21:15:02,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:02,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:02,707 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2023-11-23 21:15:02,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:02,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:02,842 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_9c5bf859-b38c-4fa7-9449-09da62691b3d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2023-11-23 21:15:02,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:02,946 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02 WrapperNode [2023-11-23 21:15:02,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:02,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:02,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:02,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:02,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:02,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,034 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-23 21:15:03,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:03,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:03,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:03,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:03,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:03,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:03,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:03,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:03,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:03,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:03,315 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:03,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:04,109 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:04,186 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:04,197 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:04,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:04 BoogieIcfgContainer [2023-11-23 21:15:04,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:04,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:04,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:04,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:04,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:02" (1/3) ... [2023-11-23 21:15:04,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aec0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:04, skipping insertion in model container [2023-11-23 21:15:04,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02" (2/3) ... [2023-11-23 21:15:04,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aec0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:04, skipping insertion in model container [2023-11-23 21:15:04,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:04" (3/3) ... [2023-11-23 21:15:04,223 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-89.i [2023-11-23 21:15:04,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:04,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:04,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:04,318 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;@5e9c5558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:04,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:15:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 21:15:04,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:04,344 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:04,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:04,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:04,350 INFO L85 PathProgramCache]: Analyzing trace with hash 749126443, now seen corresponding path program 1 times [2023-11-23 21:15:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618059671] [2023-11-23 21:15:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:04,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:04,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:04,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:04,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:15:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:04,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:04,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-23 21:15:04,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:04,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:04,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618059671] [2023-11-23 21:15:04,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618059671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:04,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:04,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:04,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991695759] [2023-11-23 21:15:04,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:04,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:04,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:04,857 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:15:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:05,026 INFO L93 Difference]: Finished difference Result 125 states and 228 transitions. [2023-11-23 21:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:05,038 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), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2023-11-23 21:15:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:05,046 INFO L225 Difference]: With dead ends: 125 [2023-11-23 21:15:05,046 INFO L226 Difference]: Without dead ends: 62 [2023-11-23 21:15:05,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:05,054 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:05,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:05,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-23 21:15:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-23 21:15:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:15:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 98 transitions. [2023-11-23 21:15:05,102 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 98 transitions. Word has length 145 [2023-11-23 21:15:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:05,102 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 98 transitions. [2023-11-23 21:15:05,103 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), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:15:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2023-11-23 21:15:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 21:15:05,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,107 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:05,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:05,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:05,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:05,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash 822949487, now seen corresponding path program 1 times [2023-11-23 21:15:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:05,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538461009] [2023-11-23 21:15:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:05,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:05,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:05,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:15:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:15:05,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 21:15:06,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:06,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:06,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538461009] [2023-11-23 21:15:06,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538461009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:06,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:06,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:06,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378522461] [2023-11-23 21:15:06,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:06,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:06,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:06,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:06,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:06,113 INFO L87 Difference]: Start difference. First operand 62 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 21:15:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:06,354 INFO L93 Difference]: Finished difference Result 182 states and 288 transitions. [2023-11-23 21:15:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:06,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 145 [2023-11-23 21:15:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:06,359 INFO L225 Difference]: With dead ends: 182 [2023-11-23 21:15:06,360 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 21:15:06,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:06,362 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 21 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:06,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 182 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:06,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 21:15:06,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2023-11-23 21:15:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 21:15:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 185 transitions. [2023-11-23 21:15:06,433 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 185 transitions. Word has length 145 [2023-11-23 21:15:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:06,435 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 185 transitions. [2023-11-23 21:15:06,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 21:15:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 185 transitions. [2023-11-23 21:15:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 21:15:06,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:06,439 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:06,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:06,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:06,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:06,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 830635565, now seen corresponding path program 1 times [2023-11-23 21:15:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363957461] [2023-11-23 21:15:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:06,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:06,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:06,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5bf859-b38c-4fa7-9449-09da62691b3d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:15:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:07,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:15:07,194 INFO L285 TraceCheckSpWp]: Computing forward predicates...