./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 1db15b73bfb439b2e9902cfba52e0a0f0fcf205012a705b0a5884d46da833166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:53,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:53,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:27:53,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:53,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:53,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:53,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:53,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:53,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:53,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:53,145 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:53,145 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:53,146 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:53,148 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:53,148 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:53,149 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:53,149 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:53,150 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:53,150 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:53,151 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:53,151 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:53,152 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:53,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:53,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:53,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:53,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:53,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:53,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:53,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:53,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:53,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:53,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:53,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:53,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:53,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:53,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:53,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:53,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:53,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:53,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:53,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:53,162 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:53,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:53,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:53,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:53,164 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:53,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:53,165 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db15b73bfb439b2e9902cfba52e0a0f0fcf205012a705b0a5884d46da833166 [2023-11-23 21:27:53,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:53,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:53,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:53,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:53,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:53,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:27:56,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:56,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:56,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:27:56,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/78a44cdc9/2bdc5499cbbc42c38bdfb5facf831bb6/FLAG72732438a [2023-11-23 21:27:56,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/78a44cdc9/2bdc5499cbbc42c38bdfb5facf831bb6 [2023-11-23 21:27:56,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:56,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:56,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:56,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:56,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:56,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:56" (1/1) ... [2023-11-23 21:27:56,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1310f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:56, skipping insertion in model container [2023-11-23 21:27:56,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:56" (1/1) ... [2023-11-23 21:27:57,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:57,194 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i[919,932] [2023-11-23 21:27:57,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:57,292 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:57,303 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i[919,932] [2023-11-23 21:27:57,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:57,377 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:57,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57 WrapperNode [2023-11-23 21:27:57,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:57,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:57,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:57,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:57,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,488 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-11-23 21:27:57,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:57,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:57,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:57,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:57,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:57,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:57,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:57,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:57,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:57,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:57,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:57,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:57,827 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:57,829 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:58,449 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:58,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:58,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:58,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:58 BoogieIcfgContainer [2023-11-23 21:27:58,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:58,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:58,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:58,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:58,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:56" (1/3) ... [2023-11-23 21:27:58,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b12c8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:58, skipping insertion in model container [2023-11-23 21:27:58,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57" (2/3) ... [2023-11-23 21:27:58,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b12c8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:58, skipping insertion in model container [2023-11-23 21:27:58,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:58" (3/3) ... [2023-11-23 21:27:58,778 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:27:58,797 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:58,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:58,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:58,858 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;@3c59297e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:58,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:27:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 21:27:58,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:58,883 INFO L195 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:58,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:58,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:58,890 INFO L85 PathProgramCache]: Analyzing trace with hash 173230925, now seen corresponding path program 1 times [2023-11-23 21:27:58,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:58,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150040521] [2023-11-23 21:27:58,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:58,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:59,262 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:27:59,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611380508] [2023-11-23 21:27:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:59,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:27:59,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:59,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:27:59,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:27:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:59,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:27:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:00,032 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:28:00,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:00,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:00,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:00,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:28:00,244 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:28:00,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:00,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:00 BoogieIcfgContainer [2023-11-23 21:28:00,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:00,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:00,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:00,499 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:00,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:58" (3/4) ... [2023-11-23 21:28:00,502 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:28:00,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:00,505 INFO L158 Benchmark]: Toolchain (without parser) took 3556.95ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 101.0MB in the beginning and 142.5MB in the end (delta: -41.4MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,506 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory was 119.0MB in the beginning and 118.8MB in the end (delta: 145.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:00,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.87ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 84.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.71ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 79.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,508 INFO L158 Benchmark]: Boogie Preprocessor took 71.09ms. Allocated memory is still 144.7MB. Free memory was 79.8MB in the beginning and 77.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,509 INFO L158 Benchmark]: RCFGBuilder took 1201.08ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 77.5MB in the beginning and 143.3MB in the end (delta: -65.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,510 INFO L158 Benchmark]: TraceAbstraction took 1729.87ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 142.5MB in the end (delta: 853.9kB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,512 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 184.5MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:00,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory was 119.0MB in the beginning and 118.8MB in the end (delta: 145.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.87ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 84.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.71ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 79.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.09ms. Allocated memory is still 144.7MB. Free memory was 79.8MB in the beginning and 77.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1201.08ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 77.5MB in the beginning and 143.3MB in the end (delta: -65.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.87ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 142.5MB in the end (delta: 853.9kB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 184.5MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someUnaryDOUBLEoperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 1; [L39] signed short int var_1_24 = -32; [L40] unsigned char var_1_25 = 1; [L41] float var_1_26 = 500.65; [L42] signed long int var_1_27 = -8; [L43] float var_1_28 = 255.5; [L44] float var_1_29 = 7.5; [L45] float var_1_30 = 9.8; [L46] unsigned char var_1_31 = 4; [L47] signed long int var_1_32 = 1; [L48] unsigned char var_1_33 = 2; [L49] unsigned short int var_1_34 = 1; [L50] unsigned long int var_1_35 = 10; [L51] unsigned char var_1_36 = 10; [L52] unsigned char var_1_37 = 128; [L53] unsigned char var_1_38 = 16; [L54] unsigned char var_1_39 = 0; [L55] unsigned short int var_1_40 = 10; [L56] unsigned short int var_1_41 = 128; [L57] unsigned short int var_1_42 = 40597; [L58] signed short int last_1_var_1_1 = 16; [L59] unsigned char last_1_var_1_6 = 10; [L60] unsigned char last_1_var_1_8 = 1; [L61] signed short int last_1_var_1_13 = 200; [L220] isInitial = 1 [L221] FCALL initially() [L222] COND TRUE 1 [L223] CALL updateLastVariables() [L210] last_1_var_1_1 = var_1_1 [L211] last_1_var_1_6 = var_1_6 [L212] last_1_var_1_8 = var_1_8 [L213] last_1_var_1_13 = var_1_13 [L223] RET updateLastVariables() [L224] CALL updateVariables() [L151] var_1_5 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1] [L153] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1] [L154] var_1_7 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L156] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L157] var_1_11 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L160] var_1_12 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L163] var_1_15 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L165] var_1_16 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L167] var_1_20 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L169] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L170] var_1_22 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L173] var_1_23 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L175] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L176] var_1_24 = __VERIFIER_nondet_short() [L177] CALL assume_abort_if_not(var_1_24 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= -32768) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L178] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L179] var_1_25 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L181] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L182] var_1_27 = __VERIFIER_nondet_long() [L183] CALL assume_abort_if_not(var_1_27 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_27 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L184] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L185] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_28=511/2, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L186] var_1_28 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_28 >= -461168.6018427382800e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_28 >= -461168.6018427382800e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_29=15/2, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L188] var_1_29 = __VERIFIER_nondet_float() [L189] CALL assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L190] var_1_32 = __VERIFIER_nondet_long() [L191] CALL assume_abort_if_not(var_1_32 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_32 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L192] CALL assume_abort_if_not(var_1_32 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=2, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L193] var_1_33 = __VERIFIER_nondet_uchar() [L194] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L195] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=128, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L196] var_1_37 = __VERIFIER_nondet_uchar() [L197] CALL assume_abort_if_not(var_1_37 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_37 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L198] CALL assume_abort_if_not(var_1_37 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_37 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L199] var_1_38 = __VERIFIER_nondet_uchar() [L200] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L201] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L202] var_1_39 = __VERIFIER_nondet_uchar() [L203] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L204] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L204] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L205] var_1_42 = __VERIFIER_nondet_ushort() [L206] CALL assume_abort_if_not(var_1_42 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L206] RET assume_abort_if_not(var_1_42 >= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L207] CALL assume_abort_if_not(var_1_42 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L207] RET assume_abort_if_not(var_1_42 <= 65534) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=10, var_1_36=10, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=127, var_1_6=10, var_1_7=201, var_1_8=1] [L224] RET updateVariables() [L225] CALL step() [L65] COND FALSE !(var_1_22 || var_1_23) [L68] COND FALSE !(((var_1_24 + 25) % var_1_27) < 2) [L71] COND TRUE (- var_1_28) < ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))) [L72] var_1_30 = var_1_29 [L74] COND FALSE !(((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) < (var_1_24)) ? (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) : (var_1_24))) <= var_1_32) [L77] COND FALSE !(var_1_31 < ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24)))) [L80] COND TRUE \read(var_1_25) [L81] var_1_35 = var_1_33 [L83] COND TRUE \read(var_1_25) [L84] var_1_36 = (var_1_37 - var_1_38) [L88] COND TRUE (- var_1_36) != var_1_34 [L89] var_1_40 = var_1_39 [L91] COND FALSE !(var_1_33 <= (~ var_1_34)) [L96] var_1_41 = var_1_36 [L98] signed long int stepLocal_6 = last_1_var_1_1; [L99] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; [L100] COND TRUE stepLocal_5 || last_1_var_1_8 [L101] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L104] var_1_14 = var_1_16 [L109] COND TRUE var_1_14 <= var_1_15 [L110] var_1_19 = (var_1_12 || var_1_20) [L112] COND TRUE var_1_5 >= -2 [L113] var_1_6 = (var_1_7 - 100) [L115] unsigned char stepLocal_4 = var_1_6; [L116] signed long int stepLocal_3 = var_1_6 / var_1_7; [L117] COND TRUE last_1_var_1_13 >= stepLocal_3 [L118] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L119] var_1_13 = var_1_7 [L126] unsigned char stepLocal_7 = var_1_6; [L127] COND FALSE !(stepLocal_7 > var_1_6) [L130] unsigned char stepLocal_0 = var_1_6; [L131] COND FALSE !(\read(var_1_19)) [L134] COND TRUE ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= stepLocal_0 [L135] var_1_1 = var_1_5 [L138] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L139] unsigned char stepLocal_1 = var_1_7; [L140] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L147] var_1_8 = var_1_12 [L225] RET step() [L226] CALL, EXPR property() [L216-L217] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L226] RET, EXPR property() [L226] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_29=49/5, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=32767, var_1_5=127, var_1_6=101, var_1_7=201, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=10013/20, var_1_27=26, var_1_29=49/5, var_1_30=49/5, var_1_31=4, var_1_32=-1, var_1_33=5, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=127, var_1_38=127, var_1_39=0, var_1_40=0, var_1_41=0, var_1_42=32767, var_1_5=127, var_1_6=101, var_1_7=201, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 37, 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=66occurred 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, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:28:00,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 1db15b73bfb439b2e9902cfba52e0a0f0fcf205012a705b0a5884d46da833166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:03,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:03,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:28:03,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:03,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:03,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:03,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:03,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:03,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:03,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:03,724 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:03,725 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:03,725 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:03,730 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:03,730 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:03,731 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:03,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:03,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:03,733 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:03,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:03,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:03,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:03,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:03,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:03,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:03,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:28:03,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:28:03,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:03,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:03,741 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:03,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:03,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:28:03,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:03,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:03,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:03,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:03,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:03,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:03,745 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:28:03,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:03,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:03,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:03,747 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:03,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:03,748 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db15b73bfb439b2e9902cfba52e0a0f0fcf205012a705b0a5884d46da833166 [2023-11-23 21:28:04,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:04,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:04,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:04,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:04,260 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:04,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:28:07,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:07,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:07,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:28:07,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/e75ebe6c0/747b60d2da204d98b3e1d124b1c38ec2/FLAG9cfc0c758 [2023-11-23 21:28:07,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/data/e75ebe6c0/747b60d2da204d98b3e1d124b1c38ec2 [2023-11-23 21:28:07,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:07,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:07,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:07,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:07,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:07,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:07" (1/1) ... [2023-11-23 21:28:07,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab6806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:07, skipping insertion in model container [2023-11-23 21:28:07,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:07" (1/1) ... [2023-11-23 21:28:07,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:08,022 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i[919,932] [2023-11-23 21:28:08,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:08,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:08,155 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_35c8fc82-19ff-4562-8c28-41a67cd1f226/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i[919,932] [2023-11-23 21:28:08,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:08,231 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:08,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08 WrapperNode [2023-11-23 21:28:08,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:08,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:08,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:08,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:08,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,293 INFO L138 Inliner]: procedures = 27, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 229 [2023-11-23 21:28:08,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:08,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:08,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:08,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:08,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:08,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:08,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:08,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:08,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:08,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:08,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:08,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:08,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:28:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:28:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:28:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:08,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:08,622 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:09,684 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:09,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:09,768 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:09,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:09 BoogieIcfgContainer [2023-11-23 21:28:09,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:09,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:09,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:09,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:09,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:07" (1/3) ... [2023-11-23 21:28:09,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:09, skipping insertion in model container [2023-11-23 21:28:09,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (2/3) ... [2023-11-23 21:28:09,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:09, skipping insertion in model container [2023-11-23 21:28:09,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:09" (3/3) ... [2023-11-23 21:28:09,782 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-42.i [2023-11-23 21:28:09,810 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:09,810 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:09,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:09,893 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;@48062af9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:09,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:28:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 21:28:09,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:09,948 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:09,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:09,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -323489715, now seen corresponding path program 1 times [2023-11-23 21:28:09,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:09,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579979324] [2023-11-23 21:28:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:09,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:10,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:28:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:10,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:28:10,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1172 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2023-11-23 21:28:10,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:10,789 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:10,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579979324] [2023-11-23 21:28:10,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579979324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:10,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:10,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:28:10,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263877039] [2023-11-23 21:28:10,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:10,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:28:10,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:28:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:10,864 INFO L87 Difference]: Start difference. First operand has 96 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 21:28:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:11,164 INFO L93 Difference]: Finished difference Result 188 states and 345 transitions. [2023-11-23 21:28:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:28:11,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 231 [2023-11-23 21:28:11,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:11,185 INFO L225 Difference]: With dead ends: 188 [2023-11-23 21:28:11,186 INFO L226 Difference]: Without dead ends: 93 [2023-11-23 21:28:11,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:11,197 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:11,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:28:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-23 21:28:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-23 21:28:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:28:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 148 transitions. [2023-11-23 21:28:11,315 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 148 transitions. Word has length 231 [2023-11-23 21:28:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:11,317 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 148 transitions. [2023-11-23 21:28:11,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 21:28:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2023-11-23 21:28:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 21:28:11,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:11,345 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:11,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:11,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:11,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:11,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1207656715, now seen corresponding path program 1 times [2023-11-23 21:28:11,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:11,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165497058] [2023-11-23 21:28:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:11,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:11,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:11,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:11,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:28:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:12,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:28:12,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-23 21:28:13,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:13,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165497058] [2023-11-23 21:28:13,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165497058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:13,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:28:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941024198] [2023-11-23 21:28:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:13,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:28:13,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:13,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:28:13,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:28:13,381 INFO L87 Difference]: Start difference. First operand 93 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:14,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:14,030 INFO L93 Difference]: Finished difference Result 278 states and 443 transitions. [2023-11-23 21:28:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:28:14,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 231 [2023-11-23 21:28:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:14,045 INFO L225 Difference]: With dead ends: 278 [2023-11-23 21:28:14,045 INFO L226 Difference]: Without dead ends: 186 [2023-11-23 21:28:14,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:28:14,049 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 102 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:14,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 429 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:28:14,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-23 21:28:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 166. [2023-11-23 21:28:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-23 21:28:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 265 transitions. [2023-11-23 21:28:14,117 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 265 transitions. Word has length 231 [2023-11-23 21:28:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:14,119 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 265 transitions. [2023-11-23 21:28:14,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 265 transitions. [2023-11-23 21:28:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 21:28:14,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:14,125 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:14,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:14,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:14,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:14,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:14,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1885738621, now seen corresponding path program 1 times [2023-11-23 21:28:14,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:14,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43401521] [2023-11-23 21:28:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:14,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:14,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:14,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:14,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:28:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:14,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:28:14,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-23 21:28:16,522 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:16,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43401521] [2023-11-23 21:28:16,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43401521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:16,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:16,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:28:16,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399993409] [2023-11-23 21:28:16,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:16,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:28:16,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:16,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:28:16,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:28:16,528 INFO L87 Difference]: Start difference. First operand 166 states and 265 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:17,572 INFO L93 Difference]: Finished difference Result 367 states and 583 transitions. [2023-11-23 21:28:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:28:17,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 232 [2023-11-23 21:28:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:17,588 INFO L225 Difference]: With dead ends: 367 [2023-11-23 21:28:17,588 INFO L226 Difference]: Without dead ends: 275 [2023-11-23 21:28:17,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:28:17,592 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 132 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:17,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 504 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 21:28:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-23 21:28:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 256. [2023-11-23 21:28:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 141 states have internal predecessors, (188), 111 states have call successors, (111), 3 states have call predecessors, (111), 3 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-11-23 21:28:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 410 transitions. [2023-11-23 21:28:17,676 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 410 transitions. Word has length 232 [2023-11-23 21:28:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:17,678 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 410 transitions. [2023-11-23 21:28:17,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 410 transitions. [2023-11-23 21:28:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 21:28:17,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:17,684 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:17,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:17,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:17,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:17,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1398111425, now seen corresponding path program 1 times [2023-11-23 21:28:17,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:17,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010857666] [2023-11-23 21:28:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:17,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:17,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:17,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:17,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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)] Waiting until timeout for monitored process [2023-11-23 21:28:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:18,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:28:18,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1199 proven. 159 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2023-11-23 21:28:20,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 51 proven. 162 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2023-11-23 21:28:21,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010857666] [2023-11-23 21:28:21,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010857666] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:28:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540578640] [2023-11-23 21:28:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:21,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:28:21,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:28:21,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:28:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:22,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:28:22,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-23 21:28:23,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:23,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540578640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:23,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:28:23,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 9] total 17 [2023-11-23 21:28:23,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286632365] [2023-11-23 21:28:23,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:23,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:28:23,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:28:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:28:23,414 INFO L87 Difference]: Start difference. First operand 256 states and 410 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:27,419 INFO L93 Difference]: Finished difference Result 594 states and 937 transitions. [2023-11-23 21:28:27,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:28:27,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 232 [2023-11-23 21:28:27,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:27,436 INFO L225 Difference]: With dead ends: 594 [2023-11-23 21:28:27,436 INFO L226 Difference]: Without dead ends: 502 [2023-11-23 21:28:27,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 677 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:28:27,440 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 166 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:27,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 617 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 21:28:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-23 21:28:27,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 457. [2023-11-23 21:28:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 263 states have (on average 1.3536121673003803) internal successors, (356), 264 states have internal predecessors, (356), 187 states have call successors, (187), 6 states have call predecessors, (187), 6 states have return successors, (187), 186 states have call predecessors, (187), 187 states have call successors, (187) [2023-11-23 21:28:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 730 transitions. [2023-11-23 21:28:27,585 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 730 transitions. Word has length 232 [2023-11-23 21:28:27,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:27,587 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 730 transitions. [2023-11-23 21:28:27,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 730 transitions. [2023-11-23 21:28:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 21:28:27,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:27,594 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:27,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:27,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:28,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:28,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:28,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:28,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1656276863, now seen corresponding path program 1 times [2023-11-23 21:28:28,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:28,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360280006] [2023-11-23 21:28:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:28,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:28,012 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:28,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 (7)] Waiting until timeout for monitored process [2023-11-23 21:28:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:28,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:28:28,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1199 proven. 159 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2023-11-23 21:28:29,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 51 proven. 162 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2023-11-23 21:28:30,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:30,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360280006] [2023-11-23 21:28:30,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360280006] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:28:30,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [118685601] [2023-11-23 21:28:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:30,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:30,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:28:30,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:28:30,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:28:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:31,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:28:31,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-23 21:28:33,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:33,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [118685601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:33,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:28:33,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 16 [2023-11-23 21:28:33,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258710919] [2023-11-23 21:28:33,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:33,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:28:33,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:33,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:28:33,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:28:33,650 INFO L87 Difference]: Start difference. First operand 457 states and 730 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:37,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:37,364 INFO L93 Difference]: Finished difference Result 757 states and 1206 transitions. [2023-11-23 21:28:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:28:37,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 232 [2023-11-23 21:28:37,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:37,375 INFO L225 Difference]: With dead ends: 757 [2023-11-23 21:28:37,375 INFO L226 Difference]: Without dead ends: 575 [2023-11-23 21:28:37,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 678 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:28:37,381 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 118 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:37,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 521 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 21:28:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2023-11-23 21:28:37,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 547. [2023-11-23 21:28:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 315 states have (on average 1.3523809523809525) internal successors, (426), 316 states have internal predecessors, (426), 224 states have call successors, (224), 7 states have call predecessors, (224), 7 states have return successors, (224), 223 states have call predecessors, (224), 224 states have call successors, (224) [2023-11-23 21:28:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 874 transitions. [2023-11-23 21:28:37,541 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 874 transitions. Word has length 232 [2023-11-23 21:28:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:37,546 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 874 transitions. [2023-11-23 21:28:37,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:28:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 874 transitions. [2023-11-23 21:28:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-23 21:28:37,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:37,554 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:37,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:37,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:37,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:37,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:37,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:37,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1581403222, now seen corresponding path program 1 times [2023-11-23 21:28:37,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:37,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569762906] [2023-11-23 21:28:37,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:37,971 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/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 (9)] Waiting until timeout for monitored process [2023-11-23 21:28:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:38,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:28:38,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1199 proven. 159 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2023-11-23 21:28:39,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 51 proven. 162 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2023-11-23 21:28:40,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:40,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569762906] [2023-11-23 21:28:40,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569762906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:28:40,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1163626250] [2023-11-23 21:28:40,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:28:40,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:28:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 21:28:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:41,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:28:41,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1199 proven. 159 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2023-11-23 21:28:42,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 51 proven. 162 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2023-11-23 21:28:43,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1163626250] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:28:43,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323970258] [2023-11-23 21:28:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:43,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:28:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:43,130 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:28:43,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c8fc82-19ff-4562-8c28-41a67cd1f226/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 21:28:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:43,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:28:43,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1199 proven. 159 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2023-11-23 21:28:44,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 51 proven. 162 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2023-11-23 21:28:44,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323970258] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:28:44,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:28:44,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2023-11-23 21:28:44,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596293258] [2023-11-23 21:28:44,917 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:28:44,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 21:28:44,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 21:28:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:28:44,920 INFO L87 Difference]: Start difference. First operand 547 states and 874 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (66), 3 states have call predecessors, (66), 7 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67)