./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje --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 1853b56352e1482e2d98ec9dc0018da4cac03b7278b9e8364e4147ad8890dd66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:08:02,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:08:02,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:08:02,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:08:02,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:08:02,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:08:02,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:08:02,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:08:02,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:08:02,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:08:02,314 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:08:02,315 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:08:02,315 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:08:02,316 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:08:02,316 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:08:02,316 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:08:02,317 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:08:02,317 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:08:02,317 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:08:02,318 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:08:02,318 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:08:02,319 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:08:02,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:08:02,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:08:02,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:08:02,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:08:02,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:08:02,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:08:02,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:08:02,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:08:02,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:08:02,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:08:02,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:08:02,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:08:02,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:08:02,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:08:02,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:08:02,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:08:02,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:02,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:08:02,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:08:02,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:08:02,326 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:08:02,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:08:02,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:08:02,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:08:02,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:08:02,327 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1853b56352e1482e2d98ec9dc0018da4cac03b7278b9e8364e4147ad8890dd66 [2024-11-09 06:08:02,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:08:02,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:08:02,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:08:02,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:08:02,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:08:02,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i Unable to find full path for "g++" [2024-11-09 06:08:04,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:08:05,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:08:05,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i [2024-11-09 06:08:05,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/c64afe35d/c563913037ea4d50a0fd41a850fceebb/FLAGc939175b2 [2024-11-09 06:08:05,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/c64afe35d/c563913037ea4d50a0fd41a850fceebb [2024-11-09 06:08:05,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:08:05,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:08:05,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:05,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:08:05,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:08:05,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671dd3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05, skipping insertion in model container [2024-11-09 06:08:05,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:08:05,657 WARN L250 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i[917,930] [2024-11-09 06:08:05,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:05,739 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:08:05,749 WARN L250 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i[917,930] [2024-11-09 06:08:05,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:05,809 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:08:05,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05 WrapperNode [2024-11-09 06:08:05,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:05,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:05,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:08:05,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:08:05,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,889 INFO L138 Inliner]: procedures = 30, calls = 117, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 421 [2024-11-09 06:08:05,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:05,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:08:05,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:08:05,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:08:05,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:08:05,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:08:05,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:08:05,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:08:05,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (1/1) ... [2024-11-09 06:08:05,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:05,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:08:05,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:08:06,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:08:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:08:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 06:08:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:08:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:08:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:08:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:08:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:08:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:08:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:08:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:08:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:08:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:08:06,210 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:08:06,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:08:06,863 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-09 06:08:06,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:08:07,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:08:07,470 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:08:07,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:07 BoogieIcfgContainer [2024-11-09 06:08:07,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:08:07,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:08:07,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:08:07,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:08:07,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:08:05" (1/3) ... [2024-11-09 06:08:07,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecede48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:07, skipping insertion in model container [2024-11-09 06:08:07,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:05" (2/3) ... [2024-11-09 06:08:07,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecede48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:07, skipping insertion in model container [2024-11-09 06:08:07,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:07" (3/3) ... [2024-11-09 06:08:07,486 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-22.i [2024-11-09 06:08:07,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:08:07,505 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:08:07,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:08:07,587 INFO L333 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, 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;@21d9b25b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:08:07,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:08:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:08:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 06:08:07,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:07,603 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:07,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:07,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1167346054, now seen corresponding path program 1 times [2024-11-09 06:08:07,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:08:07,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955984798] [2024-11-09 06:08:07,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:08:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:08:10,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:08:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:08:11,422 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:08:11,424 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:08:11,425 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:08:11,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:08:11,435 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:08:11,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:08:11,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:08:11 BoogieIcfgContainer [2024-11-09 06:08:11,549 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:08:11,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:08:11,550 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:08:11,550 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:08:11,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:07" (3/4) ... [2024-11-09 06:08:11,553 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:08:11,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:08:11,557 INFO L158 Benchmark]: Toolchain (without parser) took 6166.54ms. Allocated memory was 195.0MB in the beginning and 341.8MB in the end (delta: 146.8MB). Free memory was 155.1MB in the beginning and 216.4MB in the end (delta: -61.3MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,558 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:08:11,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.74ms. Allocated memory is still 195.0MB. Free memory was 155.1MB in the beginning and 138.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.85ms. Allocated memory is still 195.0MB. Free memory was 138.3MB in the beginning and 134.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,563 INFO L158 Benchmark]: Boogie Preprocessor took 43.30ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 132.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,563 INFO L158 Benchmark]: RCFGBuilder took 1536.65ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 85.6MB in the end (delta: 46.5MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,565 INFO L158 Benchmark]: TraceAbstraction took 4072.38ms. Allocated memory was 195.0MB in the beginning and 341.8MB in the end (delta: 146.8MB). Free memory was 84.5MB in the beginning and 216.4MB in the end (delta: -131.9MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2024-11-09 06:08:11,565 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 341.8MB. Free memory is still 216.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:08:11,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.74ms. Allocated memory is still 195.0MB. Free memory was 155.1MB in the beginning and 138.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.85ms. Allocated memory is still 195.0MB. Free memory was 138.3MB in the beginning and 134.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.30ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 132.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1536.65ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 85.6MB in the end (delta: 46.5MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4072.38ms. Allocated memory was 195.0MB in the beginning and 341.8MB in the end (delta: 146.8MB). Free memory was 84.5MB in the beginning and 216.4MB in the end (delta: -131.9MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 341.8MB. Free memory is still 216.4MB. 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 112, overapproximation of bitwiseAnd at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { -5, 0, 256, 44772, 5.9, 7.6, 64.2, 128.75, 8, 3135928546 }; [L47] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] unsigned char* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L49] unsigned short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L50] unsigned short int* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L51] float* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L52] float* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L53] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L54] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L55] unsigned long int* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L56] unsigned long int* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L57] signed short int last_1_WrapperStruct00_var_1_1 = -5; [L58] unsigned long int last_1_WrapperStruct00_var_1_11 = 8; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L108] EXPR WrapperStruct00.var_1_1 [L108] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L109] EXPR WrapperStruct00.var_1_11 [L109] last_1_WrapperStruct00_var_1_11 = WrapperStruct00.var_1_11 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L91] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L94] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ushort() [L95] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L98] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L99] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L100] EXPR (WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L100] EXPR (WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L101] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L102] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L103] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L120] RET updateVariables() [L121] CALL step() [L62] signed long int stepLocal_0 = last_1_WrapperStruct00_var_1_1; [L63] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L63] COND FALSE !((*(WrapperStruct00_var_1_4_Pointer))) [L66] COND TRUE stepLocal_0 <= last_1_WrapperStruct00_var_1_1 [L67] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L67] EXPR ((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)) [L67] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L67] EXPR ((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)) [L67] (*(WrapperStruct00_var_1_5_Pointer)) = ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))) [L70] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L70] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L70] COND TRUE (*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer)) [L71] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L71] (*(WrapperStruct00_var_1_1_Pointer)) = ((*(WrapperStruct00_var_1_5_Pointer)) + -16) [L77] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L77] EXPR (*(WrapperStruct00_var_1_5_Pointer)) & last_1_WrapperStruct00_var_1_11 [L77] COND TRUE last_1_WrapperStruct00_var_1_11 >= ((*(WrapperStruct00_var_1_5_Pointer)) & last_1_WrapperStruct00_var_1_11) [L78] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L78] EXPR ((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer))) [L78] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L78] EXPR ((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) < (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) : (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11)) [L78] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L78] EXPR ((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer))) [L78] EXPR ((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) < (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) : (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11)) [L78] (*(WrapperStruct00_var_1_11_Pointer)) = ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) < (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) : (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11)))) [L86] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L86] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L86] COND TRUE (*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer)) [L87] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L87] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L87] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L87] (*(WrapperStruct00_var_1_7_Pointer)) = (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))) [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L112] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1) [L112] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L112] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1) [L112] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1)) [L112] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L112] EXPR (*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1) [L112] EXPR (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1 [L112] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L112] EXPR ((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)) [L112] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L112] EXPR ((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)) [L112] EXPR (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1 [L112] EXPR (*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1) [L112] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1)) [L112] EXPR ((((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1))) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1) [L112] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L112] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1 [L112] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L112] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L112] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1 [L112] EXPR ((((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1))) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1) [L112] EXPR (((((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1))) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1)) && ((last_1_WrapperStruct00_var_1_11 >= ((*(WrapperStruct00_var_1_5_Pointer)) & last_1_WrapperStruct00_var_1_11)) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) < (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) : (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11)))))) : ((5.7 < (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) last_1_WrapperStruct00_var_1_11)) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) last_1_WrapperStruct00_var_1_11)))) [L112-L113] return (((((*(WrapperStruct00_var_1_5_Pointer)) == (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((*(WrapperStruct00_var_1_5_Pointer)) + -16))) : ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (*(WrapperStruct00_var_1_5_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_4_Pointer)) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > (((*(WrapperStruct00_var_1_6_Pointer)) - 8))) ? (last_1_WrapperStruct00_var_1_11) : (((*(WrapperStruct00_var_1_6_Pointer)) - 8)))))) : 1))) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_5_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((float) (((10.25f + (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_9_Pointer))) + (*(WrapperStruct00_var_1_10_Pointer))))) : 1)) && ((last_1_WrapperStruct00_var_1_11 >= ((*(WrapperStruct00_var_1_5_Pointer)) & last_1_WrapperStruct00_var_1_11)) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) < (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < ((*(WrapperStruct00_var_1_6_Pointer)))) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : ((*(WrapperStruct00_var_1_6_Pointer)))))) : (((*(WrapperStruct00_var_1_12_Pointer)) - last_1_WrapperStruct00_var_1_11)))))) : ((5.7 < (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) last_1_WrapperStruct00_var_1_11)) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned long int) last_1_WrapperStruct00_var_1_11)))) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:19}, WrapperStruct00_var_1_11_Pointer={4:23}, WrapperStruct00_var_1_12_Pointer={4:27}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:2}, WrapperStruct00_var_1_5_Pointer={4:3}, WrapperStruct00_var_1_6_Pointer={4:5}, WrapperStruct00_var_1_7_Pointer={4:7}, WrapperStruct00_var_1_8_Pointer={4:11}, WrapperStruct00_var_1_9_Pointer={4:15}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 [2024-11-09 06:08:11,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje --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 1853b56352e1482e2d98ec9dc0018da4cac03b7278b9e8364e4147ad8890dd66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:08:14,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:08:14,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:08:14,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:08:14,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:08:14,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:08:14,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:08:14,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:08:14,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:08:14,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:08:14,168 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:08:14,168 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:08:14,168 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:08:14,169 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:08:14,169 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:08:14,171 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:08:14,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:08:14,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:08:14,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:08:14,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:08:14,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:08:14,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:08:14,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:08:14,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:08:14,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:08:14,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:08:14,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:08:14,178 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:08:14,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:08:14,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:08:14,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:08:14,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:08:14,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:08:14,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:08:14,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:08:14,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:14,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:08:14,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:08:14,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:08:14,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:08:14,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:08:14,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:08:14,185 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:08:14,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1853b56352e1482e2d98ec9dc0018da4cac03b7278b9e8364e4147ad8890dd66 [2024-11-09 06:08:14,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:08:14,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:08:14,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:08:14,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:08:14,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:08:14,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i Unable to find full path for "g++" [2024-11-09 06:08:16,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:08:17,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:08:17,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i [2024-11-09 06:08:17,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/d302c2e8b/e0dd2bafd5334d59a3f8da09b7a2e6d3/FLAG4094b9281 [2024-11-09 06:08:17,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/data/d302c2e8b/e0dd2bafd5334d59a3f8da09b7a2e6d3 [2024-11-09 06:08:17,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:08:17,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:08:17,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:17,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:08:17,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:08:17,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77763384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17, skipping insertion in model container [2024-11-09 06:08:17,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:08:17,340 WARN L250 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i[917,930] [2024-11-09 06:08:17,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:17,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:08:17,489 WARN L250 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_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-22.i[917,930] [2024-11-09 06:08:17,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:17,588 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:08:17,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17 WrapperNode [2024-11-09 06:08:17,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:17,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:17,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:08:17,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:08:17,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,673 INFO L138 Inliner]: procedures = 37, calls = 117, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-11-09 06:08:17,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:17,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:08:17,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:08:17,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:08:17,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:08:17,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:08:17,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:08:17,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:08:17,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (1/1) ... [2024-11-09 06:08:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:17,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:08:17,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:08:17,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:08:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:08:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:08:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:08:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 06:08:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:08:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:08:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 06:08:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 06:08:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-09 06:08:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 06:08:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:08:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:08:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 06:08:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:08:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:08:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:08:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:08:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:08:18,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:08:18,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:08:20,574 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-09 06:08:20,574 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:08:20,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:08:20,588 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:08:20,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:20 BoogieIcfgContainer [2024-11-09 06:08:20,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:08:20,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:08:20,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:08:20,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:08:20,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:08:17" (1/3) ... [2024-11-09 06:08:20,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9daf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:20, skipping insertion in model container [2024-11-09 06:08:20,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:17" (2/3) ... [2024-11-09 06:08:20,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9daf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:20, skipping insertion in model container [2024-11-09 06:08:20,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:20" (3/3) ... [2024-11-09 06:08:20,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-22.i [2024-11-09 06:08:20,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:08:20,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:08:20,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:08:20,683 INFO L333 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, 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;@16e7094e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:08:20,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:08:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:08:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 06:08:20,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:20,700 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:20,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:20,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:20,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1625780518, now seen corresponding path program 1 times [2024-11-09 06:08:20,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:20,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830412899] [2024-11-09 06:08:20,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:20,721 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 [2024-11-09 06:08:20,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:20,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:20,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:21,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:08:21,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 06:08:21,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:21,254 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830412899] [2024-11-09 06:08:21,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830412899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:21,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:21,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:08:21,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022903139] [2024-11-09 06:08:21,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:21,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:08:21,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:08:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:08:21,292 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:08:21,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:21,335 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2024-11-09 06:08:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:08:21,339 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-09 06:08:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:21,347 INFO L225 Difference]: With dead ends: 188 [2024-11-09 06:08:21,347 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 06:08:21,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:08:21,353 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:21,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:08:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 06:08:21,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-09 06:08:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 06:08:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-11-09 06:08:21,424 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2024-11-09 06:08:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:21,429 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-11-09 06:08:21,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:08:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-11-09 06:08:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 06:08:21,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:21,435 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:21,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:08:21,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:21,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:21,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2071485527, now seen corresponding path program 1 times [2024-11-09 06:08:21,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:21,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865620381] [2024-11-09 06:08:21,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:21,639 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 [2024-11-09 06:08:21,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:21,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:21,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:22,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 06:08:22,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:22,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2024-11-09 06:08:23,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2024-11-09 06:08:26,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:08:27,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2024-11-09 06:08:27,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-11-09 06:08:27,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-11-09 06:08:27,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:08:27,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 51 [2024-11-09 06:08:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:08:27,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:27,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865620381] [2024-11-09 06:08:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865620381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:27,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:27,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 06:08:27,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212495834] [2024-11-09 06:08:27,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:27,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:08:27,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:27,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:08:27,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:08:27,853 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:31,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:08:37,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:37,060 INFO L93 Difference]: Finished difference Result 364 states and 508 transitions. [2024-11-09 06:08:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:08:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-09 06:08:37,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:37,064 INFO L225 Difference]: With dead ends: 364 [2024-11-09 06:08:37,064 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 06:08:37,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:08:37,066 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 393 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:37,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 590 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 06:08:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 06:08:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 149. [2024-11-09 06:08:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:08:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 210 transitions. [2024-11-09 06:08:37,098 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 210 transitions. Word has length 92 [2024-11-09 06:08:37,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:37,099 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 210 transitions. [2024-11-09 06:08:37,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 210 transitions. [2024-11-09 06:08:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 06:08:37,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:37,102 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:37,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:37,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:37,303 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:37,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1613667496, now seen corresponding path program 1 times [2024-11-09 06:08:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:37,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077115268] [2024-11-09 06:08:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:37,305 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 [2024-11-09 06:08:37,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:37,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:37,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:37,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:08:37,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:37,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:08:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:08:37,808 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:37,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:37,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077115268] [2024-11-09 06:08:37,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077115268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:37,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:37,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:08:37,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065028316] [2024-11-09 06:08:37,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:37,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:08:37,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:37,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:08:37,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:37,815 INFO L87 Difference]: Start difference. First operand 149 states and 210 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:37,861 INFO L93 Difference]: Finished difference Result 237 states and 334 transitions. [2024-11-09 06:08:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:08:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-09 06:08:37,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:37,863 INFO L225 Difference]: With dead ends: 237 [2024-11-09 06:08:37,863 INFO L226 Difference]: Without dead ends: 148 [2024-11-09 06:08:37,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:37,869 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:37,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:08:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-09 06:08:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-09 06:08:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 127 states have (on average 1.3385826771653544) internal successors, (170), 127 states have internal predecessors, (170), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:08:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 206 transitions. [2024-11-09 06:08:37,901 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 206 transitions. Word has length 93 [2024-11-09 06:08:37,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:37,902 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 206 transitions. [2024-11-09 06:08:37,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 206 transitions. [2024-11-09 06:08:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 06:08:37,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:37,905 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:37,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:38,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:38,106 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:38,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash 601349620, now seen corresponding path program 1 times [2024-11-09 06:08:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:38,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270506094] [2024-11-09 06:08:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:38,108 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 [2024-11-09 06:08:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:38,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:38,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:38,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:08:38,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:08:38,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:38,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:38,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270506094] [2024-11-09 06:08:38,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270506094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:38,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:38,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:08:38,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243479663] [2024-11-09 06:08:38,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:38,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:08:38,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:08:38,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:38,520 INFO L87 Difference]: Start difference. First operand 148 states and 206 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:38,733 INFO L93 Difference]: Finished difference Result 249 states and 346 transitions. [2024-11-09 06:08:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:08:38,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-09 06:08:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:38,736 INFO L225 Difference]: With dead ends: 249 [2024-11-09 06:08:38,736 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 06:08:38,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:38,738 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 17 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:38,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 239 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:08:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 06:08:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2024-11-09 06:08:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 127 states have (on average 1.330708661417323) internal successors, (169), 127 states have internal predecessors, (169), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:08:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 205 transitions. [2024-11-09 06:08:38,754 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 205 transitions. Word has length 93 [2024-11-09 06:08:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:38,756 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 205 transitions. [2024-11-09 06:08:38,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2024-11-09 06:08:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 06:08:38,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:38,759 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:38,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 06:08:38,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:38,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:38,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:38,960 INFO L85 PathProgramCache]: Analyzing trace with hash 974019140, now seen corresponding path program 1 times [2024-11-09 06:08:38,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:38,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187814049] [2024-11-09 06:08:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:38,961 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 [2024-11-09 06:08:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:38,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:38,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 06:08:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:39,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:08:39,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:39,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2024-11-09 06:08:40,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2024-11-09 06:08:42,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:08:42,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:08:43,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:08:43,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:08:43,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2024-11-09 06:08:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:08:43,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:43,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:43,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187814049] [2024-11-09 06:08:43,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187814049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:43,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:43,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:08:43,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433322019] [2024-11-09 06:08:43,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:43,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:08:43,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:43,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:08:43,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:08:43,510 INFO L87 Difference]: Start difference. First operand 148 states and 205 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:49,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:49,211 INFO L93 Difference]: Finished difference Result 318 states and 436 transitions. [2024-11-09 06:08:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:08:49,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-09 06:08:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:49,213 INFO L225 Difference]: With dead ends: 318 [2024-11-09 06:08:49,213 INFO L226 Difference]: Without dead ends: 230 [2024-11-09 06:08:49,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:08:49,215 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 301 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:49,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 544 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-09 06:08:49,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-09 06:08:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 156. [2024-11-09 06:08:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 135 states have (on average 1.3333333333333333) internal successors, (180), 135 states have internal predecessors, (180), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:08:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 216 transitions. [2024-11-09 06:08:49,232 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 216 transitions. Word has length 94 [2024-11-09 06:08:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 216 transitions. [2024-11-09 06:08:49,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2024-11-09 06:08:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 06:08:49,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:49,235 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:49,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 06:08:49,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:49,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:49,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1866678415, now seen corresponding path program 1 times [2024-11-09 06:08:49,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:49,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044266153] [2024-11-09 06:08:49,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:49,437 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 [2024-11-09 06:08:49,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:49,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:49,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:49,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:08:49,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:49,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:08:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:08:49,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:08:49,840 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:49,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044266153] [2024-11-09 06:08:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044266153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:08:49,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:08:49,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:08:49,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132168927] [2024-11-09 06:08:49,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:08:49,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:08:49,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:08:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:49,843 INFO L87 Difference]: Start difference. First operand 156 states and 216 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:49,882 INFO L93 Difference]: Finished difference Result 246 states and 340 transitions. [2024-11-09 06:08:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:08:49,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-09 06:08:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:49,885 INFO L225 Difference]: With dead ends: 246 [2024-11-09 06:08:49,885 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 06:08:49,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:08:49,886 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:49,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:08:49,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 06:08:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-09 06:08:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:08:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 205 transitions. [2024-11-09 06:08:49,900 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 205 transitions. Word has length 94 [2024-11-09 06:08:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:49,900 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 205 transitions. [2024-11-09 06:08:49,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:08:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2024-11-09 06:08:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 06:08:49,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:49,902 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:08:49,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 06:08:50,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:08:50,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:50,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:50,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1479985167, now seen corresponding path program 1 times [2024-11-09 06:08:50,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:50,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701655045] [2024-11-09 06:08:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:50,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:08:50,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:50,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:08:50,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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)] Waiting until timeout for monitored process [2024-11-09 06:08:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:50,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 06:08:50,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:50,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-09 06:08:50,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:08:50,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:08:51,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:08:51,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:08:51,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:08:51,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:08:52,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 06:08:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:08:52,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:08:52,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:08:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701655045] [2024-11-09 06:08:52,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701655045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:08:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [650157740] [2024-11-09 06:08:52,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:52,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:08:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:08:52,465 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:08:52,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 06:08:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:53,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 06:08:53,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:53,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-09 06:08:54,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:08:55,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:08:55,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:08:55,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:08:56,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:08:56,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:08:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:08:56,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:08:56,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [650157740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:08:56,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800808388] [2024-11-09 06:08:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:08:56,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:08:56,783 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:08:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 06:08:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:08:56,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:08:57,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:08:57,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-09 06:08:57,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:09:00,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:09:00,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 06:09:00,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-09 06:09:00,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-09 06:09:01,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:09:01,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 47 [2024-11-09 06:09:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 06:09:01,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:11:28,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4238 treesize of output 3982 [2024-11-09 06:13:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:13:21,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800808388] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:21,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:13:21,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 10, 12] total 35 [2024-11-09 06:13:21,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195836611] [2024-11-09 06:13:21,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:21,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:13:21,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:13:21,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:13:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:13:21,760 INFO L87 Difference]: Start difference. First operand 150 states and 205 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:13:27,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 06:13:29,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 06:13:30,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 06:13:32,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 06:13:36,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:36,914 INFO L93 Difference]: Finished difference Result 236 states and 323 transitions. [2024-11-09 06:13:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:13:36,916 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-11-09 06:13:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:36,917 INFO L225 Difference]: With dead ends: 236 [2024-11-09 06:13:36,917 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 06:13:36,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 418 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 06:13:36,919 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 201 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:36,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 287 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 145 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 06:13:36,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 06:13:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-09 06:13:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 129 states have (on average 1.302325581395349) internal successors, (168), 129 states have internal predecessors, (168), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:13:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 204 transitions. [2024-11-09 06:13:36,945 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 204 transitions. Word has length 95 [2024-11-09 06:13:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:36,946 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 204 transitions. [2024-11-09 06:13:36,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 06:13:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 204 transitions. [2024-11-09 06:13:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 06:13:36,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:36,948 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:36,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:37,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:37,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:37,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:13:37,549 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:13:37,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash 452410847, now seen corresponding path program 1 times [2024-11-09 06:13:37,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:13:37,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968279252] [2024-11-09 06:13:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:37,551 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 [2024-11-09 06:13:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:13:37,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:13:37,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 (11)] Waiting until timeout for monitored process [2024-11-09 06:16:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:56,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 06:16:56,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:56,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-09 06:16:56,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:16:59,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:16:59,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:00,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:00,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 06:17:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 06:17:00,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:07,197 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:17:07,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968279252] [2024-11-09 06:17:07,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968279252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:07,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1645437567] [2024-11-09 06:17:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:07,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:17:07,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:17:07,199 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:17:07,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 06:17:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:09,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 06:17:09,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:09,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-09 06:17:12,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:17:13,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:14,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:14,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 06:17:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 06:17:14,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:22,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1645437567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:22,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492033384] [2024-11-09 06:17:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:22,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:22,391 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:17:22,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 06:17:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:22,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 06:17:22,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:22,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-09 06:17:23,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:17:25,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:17:26,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:26,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:17:26,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 06:17:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 06:17:26,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492033384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:35,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:17:35,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2024-11-09 06:17:35,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638042896] [2024-11-09 06:17:35,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:17:35,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:17:35,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:35,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:17:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=646, Unknown=3, NotChecked=0, Total=756 [2024-11-09 06:17:35,418 INFO L87 Difference]: Start difference. First operand 150 states and 204 transitions. Second operand has 23 states, 21 states have (on average 4.761904761904762) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 06:17:45,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:45,756 INFO L93 Difference]: Finished difference Result 307 states and 407 transitions. [2024-11-09 06:17:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:17:45,757 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.761904761904762) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) Word has length 96 [2024-11-09 06:17:45,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:45,758 INFO L225 Difference]: With dead ends: 307 [2024-11-09 06:17:45,759 INFO L226 Difference]: Without dead ends: 210 [2024-11-09 06:17:45,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 343 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=366, Invalid=1353, Unknown=3, NotChecked=0, Total=1722 [2024-11-09 06:17:45,760 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 275 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:45,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 862 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 06:17:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-09 06:17:45,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-09 06:17:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 147 states have (on average 1.2789115646258504) internal successors, (188), 147 states have internal predecessors, (188), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:17:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 224 transitions. [2024-11-09 06:17:45,789 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 224 transitions. Word has length 96 [2024-11-09 06:17:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:45,790 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 224 transitions. [2024-11-09 06:17:45,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.761904761904762) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 06:17:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 224 transitions. [2024-11-09 06:17:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 06:17:45,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:45,792 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:17:45,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 (11)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:46,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 06:17:46,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:46,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:17:46,393 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:17:46,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash 671265565, now seen corresponding path program 1 times [2024-11-09 06:17:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:17:46,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795924913] [2024-11-09 06:17:46,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:46,394 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 [2024-11-09 06:17:46,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:17:46,395 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:17:46,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 (14)] Waiting until timeout for monitored process [2024-11-09 06:18:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:17,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 06:18:17,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:17,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-09 06:18:17,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:18:18,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:18:19,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:20,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:20,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:21,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:22,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:22,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:22,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 06:18:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:18:22,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:18:23,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:18:23,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795924913] [2024-11-09 06:18:23,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795924913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:18:23,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [609346557] [2024-11-09 06:18:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:23,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:18:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:18:23,122 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:18:23,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 06:18:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:25,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 06:18:25,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:26,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:18:27,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:28,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:28,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:29,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:30,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:30,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:30,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 06:18:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:18:30,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:18:31,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [609346557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:18:31,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372248970] [2024-11-09 06:18:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:18:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:18:31,581 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:18:31,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 06:18:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:31,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 06:18:31,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:31,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-09 06:18:32,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:18:33,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:18:34,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:34,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:35,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:35,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:36,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:36,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:18:36,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 06:18:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:18:36,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:18:37,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372248970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:18:37,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:18:37,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 21 [2024-11-09 06:18:37,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799941385] [2024-11-09 06:18:37,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:18:37,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 06:18:37,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:18:37,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 06:18:37,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2024-11-09 06:18:37,201 INFO L87 Difference]: Start difference. First operand 170 states and 224 transitions. Second operand has 22 states, 20 states have (on average 5.45) internal successors, (109), 21 states have internal predecessors, (109), 8 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-09 06:18:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:48,588 INFO L93 Difference]: Finished difference Result 317 states and 413 transitions. [2024-11-09 06:18:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 06:18:48,589 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 5.45) internal successors, (109), 21 states have internal predecessors, (109), 8 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) Word has length 96 [2024-11-09 06:18:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:48,590 INFO L225 Difference]: With dead ends: 317 [2024-11-09 06:18:48,591 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 06:18:48,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 344 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=476, Invalid=1876, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 06:18:48,593 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 316 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:48,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 710 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-09 06:18:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 06:18:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 176. [2024-11-09 06:18:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 151 states have (on average 1.2450331125827814) internal successors, (188), 151 states have internal predecessors, (188), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:18:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 224 transitions. [2024-11-09 06:18:48,627 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 224 transitions. Word has length 96 [2024-11-09 06:18:48,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:48,627 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 224 transitions. [2024-11-09 06:18:48,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 5.45) internal successors, (109), 21 states have internal predecessors, (109), 8 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-09 06:18:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2024-11-09 06:18:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 06:18:48,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:48,629 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:48,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 06:18:48,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 (14)] Ended with exit code 0 [2024-11-09 06:18:49,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:49,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:18:49,233 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:49,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:49,234 INFO L85 PathProgramCache]: Analyzing trace with hash -515728348, now seen corresponding path program 1 times [2024-11-09 06:18:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:18:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118220617] [2024-11-09 06:18:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:49,234 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 [2024-11-09 06:18:49,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:18:49,236 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:18:49,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6bc7d4-61ab-4adf-8499-5c73c9fe0d14/bin/utaipan-verify-YMUCfTKeje/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 (17)] Waiting until timeout for monitored process