./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh --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 a0009a7cc532886ea56e5f181eee8768048a166795586f8a0c5ab4cb16269407 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:17:06,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:17:06,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:17:06,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:17:06,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:17:06,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:17:06,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:17:06,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:17:06,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:17:06,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:17:06,254 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:17:06,255 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:17:06,255 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:17:06,256 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:17:06,256 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:17:06,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:17:06,258 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:17:06,258 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:17:06,259 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:17:06,259 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:17:06,260 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:17:06,261 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:17:06,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:17:06,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:17:06,262 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:17:06,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:17:06,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:17:06,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:17:06,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:17:06,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:17:06,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:17:06,266 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:17:06,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:17:06,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:17:06,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:17:06,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:17:06,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:17:06,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:17:06,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:17:06,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:17:06,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:17:06,268 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:17:06,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:17:06,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:17:06,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:17:06,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:17:06,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:17:06,269 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0009a7cc532886ea56e5f181eee8768048a166795586f8a0c5ab4cb16269407 [2023-12-02 16:17:06,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:17:06,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:17:06,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:17:06,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:17:06,514 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:17:06,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:09,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:17:09,535 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:17:09,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:09,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/8024fb0d5/5b994f065fca4e82b5a666d35684f9ae/FLAGd74e198ce [2023-12-02 16:17:09,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/8024fb0d5/5b994f065fca4e82b5a666d35684f9ae [2023-12-02 16:17:09,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:17:09,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:17:09,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:17:09,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:17:09,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:17:09,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e13030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09, skipping insertion in model container [2023-12-02 16:17:09,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:17:09,780 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i[915,928] [2023-12-02 16:17:09,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:17:09,854 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:17:09,867 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i[915,928] [2023-12-02 16:17:09,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:17:09,918 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:17:09,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09 WrapperNode [2023-12-02 16:17:09,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:17:09,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:17:09,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:17:09,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:17:09,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,972 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-12-02 16:17:09,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:17:09,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:17:09,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:17:09,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:17:09,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:09,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:10,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:10,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:10,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:10,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:17:10,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:17:10,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:17:10,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:17:10,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (1/1) ... [2023-12-02 16:17:10,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:17:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:17:10,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:17:10,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:17:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:17:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:17:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:17:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:17:10,196 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:17:10,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:17:10,580 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:17:10,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:17:10,837 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:17:10,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:10 BoogieIcfgContainer [2023-12-02 16:17:10,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:17:10,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:17:10,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:17:10,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:17:10,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:17:09" (1/3) ... [2023-12-02 16:17:10,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340e0e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:10, skipping insertion in model container [2023-12-02 16:17:10,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:09" (2/3) ... [2023-12-02 16:17:10,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340e0e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:10, skipping insertion in model container [2023-12-02 16:17:10,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:10" (3/3) ... [2023-12-02 16:17:10,848 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:10,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:17:10,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:17:10,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:17:10,918 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;@23e67090, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:17:10,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:17:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 16:17:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 16:17:10,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:10,934 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:10,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:17:10,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:10,939 INFO L85 PathProgramCache]: Analyzing trace with hash 177374384, now seen corresponding path program 1 times [2023-12-02 16:17:10,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:10,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631318016] [2023-12-02 16:17:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:10,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:11,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:17:11,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122521909] [2023-12-02 16:17:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:11,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:17:11,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:17:11,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:17:11,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:17:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:17:12,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:17:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:17:13,096 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:17:13,097 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:17:13,098 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:17:13,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:17:13,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:17:13,305 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:17:13,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:17:13,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:17:13 BoogieIcfgContainer [2023-12-02 16:17:13,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:17:13,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:17:13,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:17:13,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:17:13,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:10" (3/4) ... [2023-12-02 16:17:13,445 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:17:13,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:17:13,447 INFO L158 Benchmark]: Toolchain (without parser) took 3879.70ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 127.9MB in the end (delta: 6.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,447 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:17:13,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.65ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 118.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 115.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,449 INFO L158 Benchmark]: Boogie Preprocessor took 35.56ms. Allocated memory is still 165.7MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,450 INFO L158 Benchmark]: RCFGBuilder took 829.47ms. Allocated memory is still 165.7MB. Free memory was 113.5MB in the beginning and 109.6MB in the end (delta: 3.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,450 INFO L158 Benchmark]: TraceAbstraction took 2600.91ms. Allocated memory is still 165.7MB. Free memory was 108.7MB in the beginning and 128.9MB in the end (delta: -20.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,451 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 165.7MB. Free memory was 128.9MB in the beginning and 127.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:17:13,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.65ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 118.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 115.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.56ms. Allocated memory is still 165.7MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 829.47ms. Allocated memory is still 165.7MB. Free memory was 113.5MB in the beginning and 109.6MB in the end (delta: 3.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2600.91ms. Allocated memory is still 165.7MB. Free memory was 108.7MB in the beginning and 128.9MB in the end (delta: -20.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 165.7MB. Free memory was 128.9MB in the beginning and 127.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of shiftLeft at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 118. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] unsigned long int var_1_24 = 16; [L40] unsigned char var_1_25 = 1; [L41] unsigned long int var_1_26 = 64; [L42] unsigned long int var_1_27 = 4; [L43] double var_1_28 = 15.5; [L44] double var_1_29 = 1.575; [L45] signed long int var_1_30 = 10; [L46] unsigned char var_1_31 = 1; [L47] signed long int var_1_32 = 8; [L48] unsigned char var_1_33 = 1; [L49] unsigned char var_1_34 = 0; [L50] unsigned char var_1_35 = 0; [L51] unsigned long int var_1_36 = 1; [L52] double var_1_37 = 1.2; [L53] signed long int last_1_var_1_1 = -256; [L54] signed short int last_1_var_1_5 = -256; [L55] unsigned char last_1_var_1_10 = 0; [L56] unsigned short int last_1_var_1_19 = 5; [L57] signed short int last_1_var_1_22 = 50; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L175] last_1_var_1_1 = var_1_1 [L176] last_1_var_1_5 = var_1_5 [L177] last_1_var_1_10 = var_1_10 [L178] last_1_var_1_19 = var_1_19 [L179] last_1_var_1_22 = var_1_22 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L133] var_1_7 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256, var_1_8=639/5] [L135] var_1_8 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L137] var_1_11 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L139] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L140] var_1_13 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L142] var_1_14 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L144] var_1_15 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L146] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L147] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L148] var_1_16 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L150] var_1_18 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L152] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L153] var_1_25 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L155] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=64, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L156] var_1_26 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L158] CALL assume_abort_if_not(var_1_26 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_26 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=4, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L159] var_1_27 = __VERIFIER_nondet_ulong() [L160] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L161] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_29=63/40, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L162] var_1_29 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L164] var_1_31 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L166] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=8, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L167] var_1_32 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L169] CALL assume_abort_if_not(var_1_32 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_32 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L170] var_1_34 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L172] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=31/2, var_1_30=10, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=0, var_1_36=1, var_1_37=6/5, var_1_5=-256] [L190] RET updateVariables() [L191] CALL step() [L61] COND TRUE \read(var_1_25) [L62] var_1_24 = ((((var_1_26 + var_1_27) < 0 ) ? -(var_1_26 + var_1_27) : (var_1_26 + var_1_27))) [L64] var_1_28 = var_1_29 [L65] EXPR var_1_26 << ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) [L65] COND TRUE (var_1_27 * var_1_24) >= (var_1_26 << ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) [L66] var_1_30 = (var_1_31 - var_1_32) [L70] COND TRUE \read(var_1_25) [L71] COND TRUE var_1_29 > (((((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) < 0 ) ? -((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) : ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))) [L72] var_1_33 = (! var_1_34) [L75] var_1_35 = var_1_31 [L76] var_1_36 = ((((((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27)))) < (var_1_26)) ? (((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27)))) : (var_1_26))) [L77] var_1_37 = var_1_29 [L78] signed long int stepLocal_2 = last_1_var_1_5; [L79] unsigned char stepLocal_1 = last_1_var_1_10; [L80] signed long int stepLocal_0 = 256; [L81] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) [L86] COND TRUE last_1_var_1_1 >= stepLocal_2 [L87] var_1_1 = last_1_var_1_5 [L92] var_1_10 = (last_1_var_1_10 && var_1_11) [L93] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L94] COND FALSE !(\read(var_1_10)) [L98] var_1_22 = last_1_var_1_22 [L99] var_1_23 = var_1_14 [L100] unsigned char stepLocal_5 = var_1_10; [L101] unsigned char stepLocal_4 = var_1_18; [L102] COND TRUE var_1_22 < stepLocal_4 [L103] var_1_19 = last_1_var_1_19 [L111] var_1_21 = var_1_22 [L112] COND FALSE !(! (var_1_23 <= var_1_7)) [L115] COND TRUE (((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19 [L116] var_1_12 = var_1_13 [L121] unsigned char stepLocal_3 = var_1_10; [L122] COND FALSE !(var_1_10 && stepLocal_3) [L125] COND TRUE (var_1_7 - var_1_8) > var_1_12 [L126] var_1_5 = var_1_19 [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=4, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=3, var_1_29=3, var_1_30=-2147483645, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=1, var_1_36=0, var_1_37=3, var_1_5=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=4, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=3, var_1_29=3, var_1_30=-2147483645, var_1_31=1, var_1_32=2147483646, var_1_33=1, var_1_34=0, var_1_35=1, var_1_36=0, var_1_37=3, var_1_5=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 [2023-12-02 16:17:13,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh --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 a0009a7cc532886ea56e5f181eee8768048a166795586f8a0c5ab4cb16269407 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:17:15,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:17:15,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:17:15,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:17:15,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:17:15,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:17:15,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:17:15,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:17:15,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:17:15,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:17:15,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:17:15,660 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:17:15,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:17:15,662 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:17:15,662 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:17:15,663 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:17:15,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:17:15,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:17:15,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:17:15,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:17:15,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:17:15,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:17:15,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:17:15,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:17:15,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:17:15,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:17:15,669 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:17:15,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:17:15,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:17:15,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:17:15,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:17:15,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:17:15,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:17:15,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:17:15,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:17:15,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:17:15,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:17:15,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:17:15,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:17:15,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:17:15,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:17:15,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:17:15,674 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:17:15,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:17:15,674 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0009a7cc532886ea56e5f181eee8768048a166795586f8a0c5ab4cb16269407 [2023-12-02 16:17:15,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:17:15,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:17:15,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:17:15,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:17:15,997 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:17:15,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:18,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:17:19,103 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:17:19,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:19,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/ffa6ca26b/b902228d9975426f9e3560abe7c21a25/FLAGf16e6dcd6 [2023-12-02 16:17:19,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/data/ffa6ca26b/b902228d9975426f9e3560abe7c21a25 [2023-12-02 16:17:19,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:17:19,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:17:19,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:17:19,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:17:19,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:17:19,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc66001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19, skipping insertion in model container [2023-12-02 16:17:19,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:17:19,366 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i[915,928] [2023-12-02 16:17:19,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:17:19,451 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:17:19,467 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_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-25.i[915,928] [2023-12-02 16:17:19,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:17:19,525 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:17:19,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19 WrapperNode [2023-12-02 16:17:19,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:17:19,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:17:19,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:17:19,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:17:19,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,589 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-12-02 16:17:19,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:17:19,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:17:19,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:17:19,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:17:19,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:17:19,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:17:19,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:17:19,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:17:19,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (1/1) ... [2023-12-02 16:17:19,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:17:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:17:19,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:17:19,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:17:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:17:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:17:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:17:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:17:19,816 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:17:19,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:17:21,987 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:17:22,045 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:17:22,045 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:17:22,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:22 BoogieIcfgContainer [2023-12-02 16:17:22,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:17:22,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:17:22,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:17:22,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:17:22,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:17:19" (1/3) ... [2023-12-02 16:17:22,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a58846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:22, skipping insertion in model container [2023-12-02 16:17:22,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:19" (2/3) ... [2023-12-02 16:17:22,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a58846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:22, skipping insertion in model container [2023-12-02 16:17:22,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:22" (3/3) ... [2023-12-02 16:17:22,055 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-25.i [2023-12-02 16:17:22,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:17:22,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:17:22,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:17:22,126 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;@311e3a48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:17:22,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:17:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 46 states have (on average 1.434782608695652) internal successors, (66), 47 states have internal predecessors, (66), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 16:17:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 16:17:22,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:22,148 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:22,148 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:17:22,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:22,153 INFO L85 PathProgramCache]: Analyzing trace with hash -28303616, now seen corresponding path program 1 times [2023-12-02 16:17:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:17:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933242072] [2023-12-02 16:17:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:22,168 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 [2023-12-02 16:17:22,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:17:22,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:17:22,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:22,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:17:22,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:17:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 16:17:22,575 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:17:22,576 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:17:22,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933242072] [2023-12-02 16:17:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933242072] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:22,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:22,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:17:22,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287732309] [2023-12-02 16:17:22,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:22,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:17:22,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:17:22,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:17:22,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:17:22,616 INFO L87 Difference]: Start difference. First operand has 74 states, 46 states have (on average 1.434782608695652) internal successors, (66), 47 states have internal predecessors, (66), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 16:17:23,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:23,065 INFO L93 Difference]: Finished difference Result 145 states and 255 transitions. [2023-12-02 16:17:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:17:23,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2023-12-02 16:17:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:23,093 INFO L225 Difference]: With dead ends: 145 [2023-12-02 16:17:23,093 INFO L226 Difference]: Without dead ends: 72 [2023-12-02 16:17:23,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:17:23,101 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:23,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:17:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-02 16:17:23,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-02 16:17:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 16:17:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-12-02 16:17:23,150 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 160 [2023-12-02 16:17:23,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:23,150 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-12-02 16:17:23,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 16:17:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-12-02 16:17:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 16:17:23,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:23,156 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:23,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:23,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:23,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:17:23,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1426637242, now seen corresponding path program 1 times [2023-12-02 16:17:23,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:17:23,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061696919] [2023-12-02 16:17:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:23,360 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 [2023-12-02 16:17:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:17:23,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:17:23,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:23,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 16:17:23,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:17:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 16:17:23,770 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:17:23,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:17:23,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061696919] [2023-12-02 16:17:23,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061696919] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:23,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:17:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807218216] [2023-12-02 16:17:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:23,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:17:23,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:17:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:17:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:17:23,776 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 16:17:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:24,425 INFO L93 Difference]: Finished difference Result 192 states and 294 transitions. [2023-12-02 16:17:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:17:24,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2023-12-02 16:17:24,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:24,430 INFO L225 Difference]: With dead ends: 192 [2023-12-02 16:17:24,430 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 16:17:24,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:17:24,434 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 71 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:24,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 237 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 16:17:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 16:17:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2023-12-02 16:17:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 79 states have internal predecessors, (107), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:17:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 181 transitions. [2023-12-02 16:17:24,462 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 181 transitions. Word has length 160 [2023-12-02 16:17:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:24,463 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 181 transitions. [2023-12-02 16:17:24,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 16:17:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 181 transitions. [2023-12-02 16:17:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 16:17:24,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:24,468 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:24,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 16:17:24,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:24,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:17:24,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 874185348, now seen corresponding path program 1 times [2023-12-02 16:17:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:17:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204587940] [2023-12-02 16:17:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:24,673 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 [2023-12-02 16:17:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:17:24,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:17:24,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:24,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:17:24,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:17:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 16:17:25,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:17:25,470 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:17:25,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204587940] [2023-12-02 16:17:25,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204587940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:25,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:25,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:17:25,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71656766] [2023-12-02 16:17:25,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:25,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:17:25,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:17:25,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:17:25,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:17:25,475 INFO L87 Difference]: Start difference. First operand 118 states and 181 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 16:17:26,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:26,414 INFO L93 Difference]: Finished difference Result 233 states and 357 transitions. [2023-12-02 16:17:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:17:26,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2023-12-02 16:17:26,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:26,433 INFO L225 Difference]: With dead ends: 233 [2023-12-02 16:17:26,434 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 16:17:26,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:17:26,438 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 107 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:26,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 174 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 16:17:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 16:17:26,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 16:17:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:17:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 171 transitions. [2023-12-02 16:17:26,468 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 171 transitions. Word has length 160 [2023-12-02 16:17:26,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:26,469 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 171 transitions. [2023-12-02 16:17:26,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 16:17:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2023-12-02 16:17:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 16:17:26,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:26,474 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:26,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 16:17:26,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:17:26,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:17:26,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash -767424641, now seen corresponding path program 1 times [2023-12-02 16:17:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:17:26,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131126632] [2023-12-02 16:17:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:26,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:17:26,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:17:26,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:17:26,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3a6c8e-c557-4760-9a2f-f7a5bbf7929f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 16:17:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:27,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 16:17:27,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:19:23,649 WARN L293 SmtUtils]: Spent 20.17s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)