./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:03,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:04,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:04,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:04,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:04,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:04,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:04,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:04,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:04,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:04,151 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:04,152 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:04,152 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:04,154 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:04,155 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:04,155 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:04,155 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:04,156 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:04,156 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:04,157 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:04,157 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:04,158 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:04,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:04,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:04,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:04,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:04,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:04,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:04,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:04,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:04,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:04,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:04,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:04,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:04,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:04,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:04,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:04,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:04,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:04,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:04,167 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:04,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:04,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:04,168 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:04,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:04,168 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_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-11-12 00:08:04,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:04,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:04,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:04,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:04,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:04,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:07,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:07,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:07,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:07,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/11d41357e/7444d0d1b0dd4e25aaa44b558fde95f1/FLAGf4aceea72 [2023-11-12 00:08:07,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/11d41357e/7444d0d1b0dd4e25aaa44b558fde95f1 [2023-11-12 00:08:07,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:07,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:07,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:07,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:07,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:07,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:07" (1/1) ... [2023-11-12 00:08:07,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2564dc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:07, skipping insertion in model container [2023-11-12 00:08:07,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:07" (1/1) ... [2023-11-12 00:08:07,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:08,090 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_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-12 00:08:08,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:08,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:08,191 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_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-12 00:08:08,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:08,267 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:08,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08 WrapperNode [2023-11-12 00:08:08,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:08,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:08,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:08,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:08,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,357 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-12 00:08:08,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:08,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:08,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:08,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:08,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:08,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:08,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:08,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:08,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (1/1) ... [2023-11-12 00:08:08,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:08,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:08,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:08,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:08,664 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:08,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:09,141 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:09,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:09,406 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:09,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:09 BoogieIcfgContainer [2023-11-12 00:08:09,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:09,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:09,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:09,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:09,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:07" (1/3) ... [2023-11-12 00:08:09,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6228779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:09, skipping insertion in model container [2023-11-12 00:08:09,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:08" (2/3) ... [2023-11-12 00:08:09,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6228779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:09, skipping insertion in model container [2023-11-12 00:08:09,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:09" (3/3) ... [2023-11-12 00:08:09,425 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:09,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:09,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:09,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:09,521 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;@342260e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:09,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:08:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 00:08:09,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:09,544 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:09,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:09,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:09,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1294105585, now seen corresponding path program 1 times [2023-11-12 00:08:09,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:09,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27105472] [2023-11-12 00:08:09,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:10,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:10,722 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:10,725 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:10,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:10,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:08:10,734 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:10,742 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:10,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:10 BoogieIcfgContainer [2023-11-12 00:08:10,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:10,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:10,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:10,925 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:10,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:09" (3/4) ... [2023-11-12 00:08:10,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:10,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:10,935 INFO L158 Benchmark]: Toolchain (without parser) took 3089.12ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 104.2MB in the beginning and 114.7MB in the end (delta: -10.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,935 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:10,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.15ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 89.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.05ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 85.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,939 INFO L158 Benchmark]: Boogie Preprocessor took 47.65ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,943 INFO L158 Benchmark]: RCFGBuilder took 1002.25ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 83.8MB in the beginning and 125.0MB in the end (delta: -41.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,945 INFO L158 Benchmark]: TraceAbstraction took 1508.47ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 115.7MB in the end (delta: 8.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:10,945 INFO L158 Benchmark]: Witness Printer took 8.59ms. Allocated memory is still 186.6MB. Free memory was 115.7MB in the beginning and 114.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:10,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.15ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 89.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.05ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 85.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.65ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.25ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 83.8MB in the beginning and 125.0MB in the end (delta: -41.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1508.47ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 115.7MB in the end (delta: 8.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 8.59ms. Allocated memory is still 186.6MB. Free memory was 115.7MB in the beginning and 114.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 167, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int var_1_32 = 16; [L45] unsigned short int var_1_33 = 1; [L46] unsigned short int var_1_34 = 2; [L47] unsigned char var_1_35 = 0; [L48] unsigned char var_1_36 = 0; [L49] unsigned char var_1_37 = 1; [L50] unsigned char var_1_38 = 1; [L51] unsigned char var_1_39 = 5; [L52] unsigned char var_1_40 = 0; [L53] unsigned char var_1_41 = 100; [L54] unsigned short int last_1_var_1_9 = 4; [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L164] last_1_var_1_9 = var_1_9 [L174] RET updateLastVariables() [L175] CALL updateVariables() [L108] var_1_4 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L111] var_1_6 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L114] var_1_8 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L117] var_1_10 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L120] var_1_12 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L123] var_1_13 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L126] var_1_18 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L129] var_1_19 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L132] var_1_20 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L135] var_1_21 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L137] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L138] var_1_22 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L140] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L141] var_1_25 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L143] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L144] var_1_28 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L146] var_1_29 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L148] var_1_30 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L150] var_1_33 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L153] var_1_35 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L156] var_1_37 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_37 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_37 >= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_37 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_37 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=50, var_1_18=126, var_1_19=126, var_1_1=16, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=127/2, var_1_32=16, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=4] [L175] RET updateVariables() [L176] CALL step() [L58] var_1_32 = var_1_33 [L59] COND TRUE \read(var_1_35) [L60] var_1_34 = var_1_33 [L62] var_1_36 = var_1_37 [L63] var_1_38 = 1 [L64] var_1_39 = var_1_40 [L65] EXPR (-1000000000 + var_1_32) & var_1_40 [L65] COND FALSE !(((-1000000000 + var_1_32) & var_1_40) > var_1_33) [L68] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) [L71] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) [L72] COND TRUE \read(var_1_4) [L73] var_1_24 = (! var_1_25) [L77] var_1_31 = var_1_30 [L78] COND FALSE !(var_1_23 < var_1_23) [L89] var_1_1 = var_1_8 [L91] signed char stepLocal_0 = var_1_1; [L92] COND FALSE !(stepLocal_0 < (-1 - var_1_10)) [L99] var_1_9 = var_1_13 [L101] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L104] var_1_27 = var_1_28 [L176] RET step() [L177] CALL, EXPR property() [L167-L168] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=78, var_1_18=126, var_1_19=126, var_1_1=-127, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=64321, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=64320, var_1_32=2, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=32720] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=65534, var_1_13=32720, var_1_17=78, var_1_18=126, var_1_19=126, var_1_1=-127, var_1_20=16, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=64321, var_1_28=64321, var_1_29=64319, var_1_30=64320, var_1_31=64320, var_1_32=2, var_1_33=2, var_1_34=2, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=100, var_1_4=1, var_1_6=1, var_1_8=-127, var_1_9=32720] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:08:10,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:13,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:13,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:13,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:13,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:13,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:13,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:13,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:13,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:13,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:13,964 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:13,965 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:13,965 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:13,967 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:13,968 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:13,969 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:13,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:13,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:13,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:13,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:13,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:13,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:13,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:13,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:13,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:13,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:13,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:13,978 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:13,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:13,979 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:13,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:13,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:13,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:13,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:13,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:13,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:13,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:13,984 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:13,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:13,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:13,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:13,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:13,987 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-11-12 00:08:14,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:14,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:14,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:14,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:14,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:14,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:17,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:17,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:17,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:17,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/356110e4f/b2461bf94eb34b5fa1636ea44b275ebf/FLAG062e18bf3 [2023-11-12 00:08:17,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/data/356110e4f/b2461bf94eb34b5fa1636ea44b275ebf [2023-11-12 00:08:17,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:17,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:17,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:17,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:17,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:17,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:17" (1/1) ... [2023-11-12 00:08:17,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9a604a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:17, skipping insertion in model container [2023-11-12 00:08:17,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:17" (1/1) ... [2023-11-12 00:08:17,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:18,188 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_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-12 00:08:18,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:18,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:18,373 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_7caa3bec-a0b8-4391-97c8-593824644aa5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-12 00:08:18,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:18,427 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:18,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18 WrapperNode [2023-11-12 00:08:18,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:18,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:18,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:18,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:18,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,567 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 00:08:18,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:18,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:18,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:18,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:18,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:18,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:18,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:18,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:18,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (1/1) ... [2023-11-12 00:08:18,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:18,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:18,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:18,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:08:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:18,890 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:18,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:21,591 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:21,599 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:21,599 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:21,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:21 BoogieIcfgContainer [2023-11-12 00:08:21,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:21,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:21,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:21,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:21,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:17" (1/3) ... [2023-11-12 00:08:21,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4712d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:21, skipping insertion in model container [2023-11-12 00:08:21,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:18" (2/3) ... [2023-11-12 00:08:21,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4712d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:21, skipping insertion in model container [2023-11-12 00:08:21,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:21" (3/3) ... [2023-11-12 00:08:21,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-12 00:08:21,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:21,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:21,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:21,707 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;@181632c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:21,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 50 states have (on average 1.32) internal successors, (66), 51 states have internal predecessors, (66), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:08:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-12 00:08:21,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:21,735 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:21,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:21,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1541934998, now seen corresponding path program 1 times [2023-11-12 00:08:21,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:21,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416255975] [2023-11-12 00:08:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:21,762 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:21,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:08:21,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:08:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:22,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:08:22,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2023-11-12 00:08:22,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:22,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:22,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416255975] [2023-11-12 00:08:22,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416255975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:22,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:22,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:08:22,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997074958] [2023-11-12 00:08:22,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:22,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:08:22,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:22,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:08:22,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:22,441 INFO L87 Difference]: Start difference. First operand has 88 states, 50 states have (on average 1.32) internal successors, (66), 51 states have internal predecessors, (66), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-12 00:08:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:22,493 INFO L93 Difference]: Finished difference Result 166 states and 295 transitions. [2023-11-12 00:08:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:08:22,498 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 214 [2023-11-12 00:08:22,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:22,521 INFO L225 Difference]: With dead ends: 166 [2023-11-12 00:08:22,521 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 00:08:22,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:22,539 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:22,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:08:22,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 00:08:22,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 00:08:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:08:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 122 transitions. [2023-11-12 00:08:22,631 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 122 transitions. Word has length 214 [2023-11-12 00:08:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:22,632 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 122 transitions. [2023-11-12 00:08:22,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-12 00:08:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2023-11-12 00:08:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-12 00:08:22,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:22,653 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:22,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:08:22,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:22,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:22,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:22,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1146113180, now seen corresponding path program 1 times [2023-11-12 00:08:22,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:22,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300629912] [2023-11-12 00:08:22,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:22,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:22,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:22,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:08:22,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:08:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:23,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:08:23,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-12 00:08:24,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:24,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:24,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300629912] [2023-11-12 00:08:24,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300629912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:24,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:24,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:24,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28438892] [2023-11-12 00:08:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:24,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:08:24,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:24,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:08:24,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:24,232 INFO L87 Difference]: Start difference. First operand 81 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-12 00:08:27,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:29,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:29,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:29,055 INFO L93 Difference]: Finished difference Result 238 states and 361 transitions. [2023-11-12 00:08:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:08:29,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 214 [2023-11-12 00:08:29,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:29,084 INFO L225 Difference]: With dead ends: 238 [2023-11-12 00:08:29,085 INFO L226 Difference]: Without dead ends: 160 [2023-11-12 00:08:29,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:29,088 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 60 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:29,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 346 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-12 00:08:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-12 00:08:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2023-11-12 00:08:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 72 states have internal predecessors, (82), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-12 00:08:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 222 transitions. [2023-11-12 00:08:29,146 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 222 transitions. Word has length 214 [2023-11-12 00:08:29,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:29,147 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 222 transitions. [2023-11-12 00:08:29,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-12 00:08:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-12 00:08:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-12 00:08:29,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:29,152 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:29,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:29,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:29,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:29,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:29,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1404278618, now seen corresponding path program 1 times [2023-11-12 00:08:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:29,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858496429] [2023-11-12 00:08:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:29,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:08:29,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:08:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:29,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:08:29,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1464 proven. 180 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2023-11-12 00:08:31,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:08:32,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:32,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858496429] [2023-11-12 00:08:32,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858496429] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:08:32,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [949896766] [2023-11-12 00:08:32,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:08:32,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:08:32,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:08:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:33,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:08:33,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-11-12 00:08:33,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:08:34,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [949896766] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:08:34,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270185340] [2023-11-12 00:08:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:34,188 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:34,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:08:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:34,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:08:34,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-11-12 00:08:35,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:08:35,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270185340] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:08:35,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:08:35,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 13 [2023-11-12 00:08:35,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679757870] [2023-11-12 00:08:35,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:08:35,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:08:35,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:35,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:08:35,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-11-12 00:08:35,226 INFO L87 Difference]: Start difference. First operand 145 states and 222 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-12 00:08:39,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:41,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:43,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:45,527 INFO L93 Difference]: Finished difference Result 349 states and 498 transitions. [2023-11-12 00:08:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-12 00:08:45,528 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 214 [2023-11-12 00:08:45,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:45,534 INFO L225 Difference]: With dead ends: 349 [2023-11-12 00:08:45,534 INFO L226 Difference]: Without dead ends: 271 [2023-11-12 00:08:45,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=400, Invalid=1082, Unknown=0, NotChecked=0, Total=1482 [2023-11-12 00:08:45,537 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 169 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:45,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 647 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-11-12 00:08:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2023-11-12 00:08:45,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 249. [2023-11-12 00:08:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 130 states have (on average 1.0846153846153845) internal successors, (141), 131 states have internal predecessors, (141), 105 states have call successors, (105), 13 states have call predecessors, (105), 13 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-12 00:08:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 351 transitions. [2023-11-12 00:08:45,591 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 351 transitions. Word has length 214 [2023-11-12 00:08:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:45,592 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 351 transitions. [2023-11-12 00:08:45,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-12 00:08:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2023-11-12 00:08:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-12 00:08:45,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:45,596 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:45,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-12 00:08:45,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-12 00:08:46,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:46,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:46,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:46,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1406125660, now seen corresponding path program 1 times [2023-11-12 00:08:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:46,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075501038] [2023-11-12 00:08:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:46,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:08:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:46,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:08:46,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7caa3bec-a0b8-4391-97c8-593824644aa5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-12 00:08:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:46,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-12 00:08:46,583 INFO L285 TraceCheckSpWp]: Computing forward predicates...