./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:12,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:12,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:12,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:12,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:12,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:12,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:12,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:12,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:12,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:12,650 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:12,651 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:12,652 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:12,652 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:12,653 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:12,653 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:12,654 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:12,654 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:12,655 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:12,656 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:12,656 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:12,657 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:12,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:12,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:12,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:12,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:12,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:12,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:12,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:12,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:12,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:12,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:12,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:12,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:12,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:12,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:12,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:12,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:12,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:12,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:12,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:12,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:12,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:12,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:12,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:12,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:12,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:12,667 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e [2023-11-23 20:35:12,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:12,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:12,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:12,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:12,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:12,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:16,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:16,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:16,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:16,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/25eed8977/3a50c8fa121b4d34b7de05e48b0686ab/FLAG6325133e8 [2023-11-23 20:35:16,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/25eed8977/3a50c8fa121b4d34b7de05e48b0686ab [2023-11-23 20:35:16,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:16,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:16,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:16,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:16,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:16,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf88ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16, skipping insertion in model container [2023-11-23 20:35:16,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:16,627 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-11-23 20:35:16,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:16,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:16,727 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-11-23 20:35:16,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:16,786 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:16,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16 WrapperNode [2023-11-23 20:35:16,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:16,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:16,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:16,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:16,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,857 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-23 20:35:16,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:16,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:16,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:16,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:16,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:16,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:16,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:16,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:16,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (1/1) ... [2023-11-23 20:35:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:16,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:17,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:17,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:35:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:17,183 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:17,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:17,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:18,259 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:18,260 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:18,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:18 BoogieIcfgContainer [2023-11-23 20:35:18,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:18,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:18,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:18,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:18,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:16" (1/3) ... [2023-11-23 20:35:18,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db0fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:18, skipping insertion in model container [2023-11-23 20:35:18,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:16" (2/3) ... [2023-11-23 20:35:18,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db0fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:18, skipping insertion in model container [2023-11-23 20:35:18,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:18" (3/3) ... [2023-11-23 20:35:18,275 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:18,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:18,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:18,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:18,376 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;@d7a2c73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:18,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 20:35:18,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:18,401 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:18,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:18,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash -815808863, now seen corresponding path program 1 times [2023-11-23 20:35:18,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:18,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458184141] [2023-11-23 20:35:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:18,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:35:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [89580457] [2023-11-23 20:35:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:18,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:18,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:18,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:35:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:19,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:35:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:19,351 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:35:19,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:35:19,357 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:35:19,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:19,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:35:19,589 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:35:19,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:35:19,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:35:19 BoogieIcfgContainer [2023-11-23 20:35:19,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:35:19,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:35:19,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:35:19,780 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:35:19,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:18" (3/4) ... [2023-11-23 20:35:19,782 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:35:19,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:35:19,792 INFO L158 Benchmark]: Toolchain (without parser) took 3362.98ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 84.9MB in the end (delta: 57.1MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,792 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:19,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.66ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 127.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.46ms. Allocated memory is still 190.8MB. Free memory was 126.9MB in the beginning and 123.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,800 INFO L158 Benchmark]: Boogie Preprocessor took 75.91ms. Allocated memory is still 190.8MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,801 INFO L158 Benchmark]: RCFGBuilder took 1325.86ms. Allocated memory is still 190.8MB. Free memory was 121.1MB in the beginning and 138.3MB in the end (delta: -17.3MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,802 INFO L158 Benchmark]: TraceAbstraction took 1512.69ms. Allocated memory is still 190.8MB. Free memory was 138.3MB in the beginning and 84.9MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 20:35:19,803 INFO L158 Benchmark]: Witness Printer took 11.48ms. Allocated memory is still 190.8MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:19,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.66ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 127.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.46ms. Allocated memory is still 190.8MB. Free memory was 126.9MB in the beginning and 123.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.91ms. Allocated memory is still 190.8MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1325.86ms. Allocated memory is still 190.8MB. Free memory was 121.1MB in the beginning and 138.3MB in the end (delta: -17.3MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1512.69ms. Allocated memory is still 190.8MB. Free memory was 138.3MB in the beginning and 84.9MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 11.48ms. Allocated memory is still 190.8MB. Free memory is still 84.9MB. 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 bitwiseOr at line 63, overapproximation of shiftLeft at line 82, overapproximation of shiftRight at line 110, overapproximation of someUnaryDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_20 = 0; [L38] unsigned char var_1_21 = 0; [L39] unsigned long int var_1_22 = 0; [L40] unsigned char var_1_23 = 64; [L41] unsigned char var_1_24 = 2; [L42] double var_1_25 = 127.75; [L43] double var_1_26 = 9999999999999.2; [L44] double var_1_27 = 9.1; [L45] signed long int var_1_28 = -64; [L46] unsigned char var_1_29 = 8; [L47] unsigned char var_1_30 = 10; [L48] unsigned char var_1_31 = 0; [L49] unsigned char last_1_var_1_10 = 32; [L50] unsigned short int last_1_var_1_12 = 16; [L51] unsigned long int last_1_var_1_13 = 128; [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L165] last_1_var_1_10 = var_1_10 [L166] last_1_var_1_12 = var_1_12 [L167] last_1_var_1_13 = var_1_13 [L177] RET updateLastVariables() [L178] CALL updateVariables() [L120] var_1_3 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L122] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L123] var_1_5 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L125] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L126] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L127] var_1_6 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L129] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L130] var_1_7 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L132] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L133] var_1_8 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_9=9/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_9=9/5] [L135] var_1_9 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L137] var_1_11 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L139] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L140] var_1_15 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L142] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L143] var_1_20 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L145] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L146] var_1_21 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L148] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L149] var_1_22 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L151] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L152] var_1_24 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L154] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L155] var_1_27 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L157] var_1_30 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L159] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L160] var_1_31 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L162] CALL assume_abort_if_not(var_1_31 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_31 <= 127) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=4, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=64, var_1_24=51, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6] [L178] RET updateVariables() [L179] CALL step() [L55] COND FALSE !(var_1_20 || var_1_21) [L58] var_1_23 = var_1_24 [L59] COND TRUE var_1_23 > var_1_19 [L60] var_1_25 = ((((999999.5) < 0 ) ? -(999999.5) : (999999.5))) [L62] COND FALSE !(var_1_22 < ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24)))) [L67] var_1_28 = -256 [L68] COND TRUE var_1_28 != -32 [L69] var_1_29 = (var_1_30 + var_1_31) [L73] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L74] var_1_12 = var_1_6 [L76] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; [L77] COND TRUE var_1_6 <= stepLocal_2 [L78] var_1_10 = var_1_11 [L82] EXPR 1 << var_1_10 [L82] COND TRUE (1 << var_1_10) != (-500 / -100) [L83] COND FALSE !((var_1_6 - var_1_3) >= (var_1_12 + 256)) [L86] var_1_13 = var_1_12 [L91] var_1_18 = var_1_3 [L92] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L93] unsigned char stepLocal_3 = var_1_10; [L94] COND TRUE (- var_1_9) <= var_1_8 [L95] COND FALSE !(\read(var_1_15)) [L104] var_1_16 = var_1_3 [L109] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; [L110] EXPR var_1_16 >> var_1_3 [L110] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L111] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) [L179] RET step() [L180] CALL, EXPR property() [L170] EXPR var_1_16 >> var_1_3 [L170] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L170] EXPR var_1_3 << (var_1_6 - var_1_7) [L170] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L170] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L170-L171] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=4, var_1_11=4, var_1_12=6, var_1_13=6, var_1_15=0, var_1_16=4, var_1_18=4, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=51, var_1_24=51, var_1_25=2, var_1_26=49999999999996/5, var_1_27=0, var_1_28=-256, var_1_29=0, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=4, var_1_11=4, var_1_12=6, var_1_13=6, var_1_15=0, var_1_16=4, var_1_18=4, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=51, var_1_23=51, var_1_24=51, var_1_25=2, var_1_26=49999999999996/5, var_1_27=0, var_1_28=-256, var_1_29=0, var_1_30=0, var_1_31=0, var_1_3=4, var_1_5=2, var_1_6=6, var_1_7=6, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:35:19,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:22,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:22,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:35:22,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:22,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:23,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:23,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:23,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:23,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:23,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:23,014 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:23,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:23,015 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:23,017 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:23,017 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:23,018 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:23,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:23,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:23,020 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:23,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:23,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:23,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:23,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:23,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:23,024 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:35:23,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:35:23,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:35:23,026 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:23,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:23,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:23,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:23,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:35:23,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:23,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:23,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:23,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:23,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:23,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:23,030 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:35:23,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:23,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:23,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:23,032 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:23,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:23,033 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e [2023-11-23 20:35:23,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:23,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:23,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:23,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:23,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:23,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:26,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:27,050 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:27,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:27,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/45e07e811/5ab9fc30bafb4642be8db8edea6c2fd7/FLAG2fc24a96d [2023-11-23 20:35:27,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/data/45e07e811/5ab9fc30bafb4642be8db8edea6c2fd7 [2023-11-23 20:35:27,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:27,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:27,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:27,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:27,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:27,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ba8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27, skipping insertion in model container [2023-11-23 20:35:27,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:27,413 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-11-23 20:35:27,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:27,574 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:27,590 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_b39a81e4-fc72-4862-8e11-f76e9e4943b3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-11-23 20:35:27,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:27,645 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:27,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27 WrapperNode [2023-11-23 20:35:27,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:27,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:27,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:27,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:27,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,774 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-23 20:35:27,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:27,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:27,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:27,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:27,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:27,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:27,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:27,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:27,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (1/1) ... [2023-11-23 20:35:27,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:27,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:27,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:27,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:35:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:28,158 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:28,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:28,827 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:28,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:28,914 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:28,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:28 BoogieIcfgContainer [2023-11-23 20:35:28,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:28,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:28,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:28,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:28,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:27" (1/3) ... [2023-11-23 20:35:28,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bdff65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:28, skipping insertion in model container [2023-11-23 20:35:28,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:27" (2/3) ... [2023-11-23 20:35:28,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bdff65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:28, skipping insertion in model container [2023-11-23 20:35:28,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:28" (3/3) ... [2023-11-23 20:35:28,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-11-23 20:35:28,953 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:28,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:29,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:29,041 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;@2d2a015d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:29,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 20:35:29,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:29,074 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:29,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:29,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash -778148428, now seen corresponding path program 1 times [2023-11-23 20:35:29,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:29,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360917452] [2023-11-23 20:35:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:29,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:29,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:29,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:35:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:29,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:35:29,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 20:35:29,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:29,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:29,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360917452] [2023-11-23 20:35:29,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360917452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:29,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:29,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:29,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708833984] [2023-11-23 20:35:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:29,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:35:29,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:29,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:35:29,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:29,646 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:35:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:29,774 INFO L93 Difference]: Finished difference Result 149 states and 268 transitions. [2023-11-23 20:35:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:35:29,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-11-23 20:35:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:29,795 INFO L225 Difference]: With dead ends: 149 [2023-11-23 20:35:29,796 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 20:35:29,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:29,807 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:29,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:35:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 20:35:29,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-23 20:35:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-11-23 20:35:29,901 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 174 [2023-11-23 20:35:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:29,902 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-11-23 20:35:29,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:35:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-11-23 20:35:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 20:35:29,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:29,921 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:29,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:35:30,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:30,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:30,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:30,132 INFO L85 PathProgramCache]: Analyzing trace with hash 969304598, now seen corresponding path program 1 times [2023-11-23 20:35:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597712261] [2023-11-23 20:35:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:30,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:30,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:30,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:30,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:35:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:30,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:35:30,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 501 proven. 126 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-23 20:35:33,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:36,043 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:36,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597712261] [2023-11-23 20:35:36,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597712261] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:35:36,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [323405152] [2023-11-23 20:35:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:36,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:36,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:35:36,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:35:36,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:35:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:36,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:35:36,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-23 20:35:38,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:40,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [323405152] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:35:40,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153456940] [2023-11-23 20:35:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:40,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:40,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:40,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:40,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 20:35:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:40,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:35:40,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 501 proven. 126 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-23 20:35:42,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:44,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153456940] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:35:44,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 20:35:44,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 9] total 9 [2023-11-23 20:35:44,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066418354] [2023-11-23 20:35:44,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 20:35:44,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 20:35:44,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:44,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 20:35:44,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:35:44,345 INFO L87 Difference]: Start difference. First operand 74 states and 115 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-23 20:35:45,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:45,730 INFO L93 Difference]: Finished difference Result 231 states and 352 transitions. [2023-11-23 20:35:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 20:35:45,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 175 [2023-11-23 20:35:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:45,741 INFO L225 Difference]: With dead ends: 231 [2023-11-23 20:35:45,741 INFO L226 Difference]: Without dead ends: 158 [2023-11-23 20:35:45,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=236, Invalid=414, Unknown=0, NotChecked=0, Total=650 [2023-11-23 20:35:45,745 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 77 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:45,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 623 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 20:35:45,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-23 20:35:45,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 138. [2023-11-23 20:35:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 20:35:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 209 transitions. [2023-11-23 20:35:45,806 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 209 transitions. Word has length 175 [2023-11-23 20:35:45,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:45,807 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 209 transitions. [2023-11-23 20:35:45,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-23 20:35:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 209 transitions. [2023-11-23 20:35:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 20:35:45,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:45,811 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:45,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:46,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-23 20:35:46,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 20:35:46,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:46,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:46,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:46,415 INFO L85 PathProgramCache]: Analyzing trace with hash 711139160, now seen corresponding path program 1 times [2023-11-23 20:35:46,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:46,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942458153] [2023-11-23 20:35:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:46,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:46,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:46,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:46,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b39a81e4-fc72-4862-8e11-f76e9e4943b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 20:35:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:46,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:35:46,670 INFO L285 TraceCheckSpWp]: Computing forward predicates...