./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:35:53,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:35:53,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:35:53,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:35:53,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:35:53,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:35:53,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:35:53,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:35:53,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:35:53,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:35:53,406 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:35:53,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:35:53,408 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:35:53,408 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:35:53,411 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:35:53,412 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:35:53,413 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:35:53,413 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:35:53,413 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:35:53,414 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:35:53,414 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:35:53,415 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:35:53,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:35:53,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:35:53,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:35:53,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:35:53,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:35:53,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:35:53,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:35:53,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:35:53,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:35:53,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:35:53,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:35:53,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:35:53,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:35:53,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:35:53,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:35:53,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:35:53,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:35:53,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:35:53,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:35:53,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:35:53,448 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:35:53,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:35:53,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:35:53,450 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:35:53,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:35:53,451 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-11-09 06:35:53,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:35:53,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:35:53,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:35:53,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:35:53,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:35:53,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i Unable to find full path for "g++" [2024-11-09 06:35:56,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:35:56,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:35:56,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-09 06:35:56,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/926330126/7f2be24cf6cf4a1286f893cba1262092/FLAG1dc7f9185 [2024-11-09 06:35:56,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/926330126/7f2be24cf6cf4a1286f893cba1262092 [2024-11-09 06:35:56,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:35:56,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:35:56,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:56,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:35:56,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:35:56,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:56" (1/1) ... [2024-11-09 06:35:56,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea4ac37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:56, skipping insertion in model container [2024-11-09 06:35:56,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:56" (1/1) ... [2024-11-09 06:35:56,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:35:56,910 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-09 06:35:57,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:57,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:35:57,052 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-09 06:35:57,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:57,177 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:35:57,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57 WrapperNode [2024-11-09 06:35:57,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:57,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:57,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:35:57,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:35:57,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,280 INFO L138 Inliner]: procedures = 30, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 547 [2024-11-09 06:35:57,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:57,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:35:57,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:35:57,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:35:57,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:35:57,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:35:57,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:35:57,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:35:57,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (1/1) ... [2024-11-09 06:35:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:35:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:35:57,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:35:57,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:35:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:35:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:35:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 06:35:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:35:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:35:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:35:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:35:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:35:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:35:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:35:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:35:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:35:57,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:35:57,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:35:58,769 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-09 06:35:58,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:35:59,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:35:59,666 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:35:59,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:59 BoogieIcfgContainer [2024-11-09 06:35:59,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:35:59,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:35:59,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:35:59,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:35:59,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:35:56" (1/3) ... [2024-11-09 06:35:59,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a322c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:59, skipping insertion in model container [2024-11-09 06:35:59,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:57" (2/3) ... [2024-11-09 06:35:59,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a322c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:59, skipping insertion in model container [2024-11-09 06:35:59,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:59" (3/3) ... [2024-11-09 06:35:59,687 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-11-09 06:35:59,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:35:59,712 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:35:59,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:35:59,818 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;@555dcf0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:35:59,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:35:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:35:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 06:35:59,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:59,836 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:59,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:59,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:59,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1463607514, now seen corresponding path program 1 times [2024-11-09 06:35:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:59,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712917113] [2024-11-09 06:35:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:36:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:36:02,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:36:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:36:03,790 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:36:03,793 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:36:03,795 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:36:03,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:36:03,805 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:36:03,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:36:03,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:36:03 BoogieIcfgContainer [2024-11-09 06:36:03,915 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:36:03,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:36:03,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:36:03,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:36:03,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:59" (3/4) ... [2024-11-09 06:36:03,922 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:36:03,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:36:03,925 INFO L158 Benchmark]: Toolchain (without parser) took 7373.65ms. Allocated memory was 163.6MB in the beginning and 270.5MB in the end (delta: 107.0MB). Free memory was 121.8MB in the beginning and 134.7MB in the end (delta: -13.0MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,926 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:36:03,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.44ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 101.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.92ms. Allocated memory is still 163.6MB. Free memory was 101.9MB in the beginning and 97.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,933 INFO L158 Benchmark]: Boogie Preprocessor took 69.87ms. Allocated memory is still 163.6MB. Free memory was 97.2MB in the beginning and 93.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,934 INFO L158 Benchmark]: RCFGBuilder took 2316.85ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 93.5MB in the beginning and 101.7MB in the end (delta: -8.1MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,934 INFO L158 Benchmark]: TraceAbstraction took 4240.35ms. Allocated memory was 218.1MB in the beginning and 270.5MB in the end (delta: 52.4MB). Free memory was 101.7MB in the beginning and 134.7MB in the end (delta: -33.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-11-09 06:36:03,935 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 270.5MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:36:03,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.44ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 101.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.92ms. Allocated memory is still 163.6MB. Free memory was 101.9MB in the beginning and 97.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.87ms. Allocated memory is still 163.6MB. Free memory was 97.2MB in the beginning and 93.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2316.85ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 93.5MB in the beginning and 101.7MB in the end (delta: -8.1MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4240.35ms. Allocated memory was 218.1MB in the beginning and 270.5MB in the end (delta: 52.4MB). Free memory was 101.7MB in the beginning and 134.7MB in the end (delta: -33.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 270.5MB. Free memory is still 134.7MB. 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 someBinaryDOUBLEComparisonOperation at line 78, overapproximation of bitwiseOr at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 87. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 9999.5, 1, 4.5, 2.5, 0.0, 999999999999.3, -128, 16, 16, 5, 1, 16, 32647, 128, -8 }; [L57] unsigned short int last_1_WrapperStruct00_var_1_13 = 5; [L58] signed long int last_1_WrapperStruct00_var_1_18 = -8; [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_13 [L122] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L91] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L94] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L97] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L97] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L98] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F [L99] EXPR (WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L99] EXPR (WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L100] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L101] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L108] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L111] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L114] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L117] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L134] RET updateVariables() [L135] CALL step() [L62] signed long int stepLocal_0 = (((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18)); [L63] EXPR last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13 [L63] COND TRUE stepLocal_0 != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13) [L64] WrapperStruct00.var_1_2 [L64] COND TRUE WrapperStruct00.var_1_2 [L65] EXPR WrapperStruct00.var_1_11 [L65] EXPR WrapperStruct00.var_1_12 [L65] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) [L70] EXPR WrapperStruct00.var_1_11 [L70] EXPR WrapperStruct00.var_1_7 [L70] unsigned char stepLocal_1 = WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7; [L71] stepLocal_1 && WrapperStruct00.var_1_14 [L71] COND FALSE !(stepLocal_1 && WrapperStruct00.var_1_14) [L74] EXPR WrapperStruct00.var_1_16 [L74] EXPR WrapperStruct00.var_1_17 [L74] WrapperStruct00.var_1_13 = ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17) [L76] EXPR WrapperStruct00.var_1_7 [L76] signed char stepLocal_2 = WrapperStruct00.var_1_7; [L77] EXPR WrapperStruct00.var_1_16 [L77] COND FALSE !(stepLocal_2 > WrapperStruct00.var_1_16) [L84] EXPR WrapperStruct00.var_1_15 [L84] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_15 [L86] WrapperStruct00.var_1_2 [L86] COND TRUE WrapperStruct00.var_1_2 [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_5 [L87] EXPR WrapperStruct00.var_1_6 [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L87] WrapperStruct00.var_1_1 = ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR WrapperStruct00.var_1_2 [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 [L126] EXPR WrapperStruct00.var_1_1 [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR WrapperStruct00.var_1_4 [L126] EXPR WrapperStruct00.var_1_5 [L126] EXPR WrapperStruct00.var_1_6 [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 [L126] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11)))))) [L126] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17)))) [L126] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) [L126-L127] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 18, 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=45occurred 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, 2.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 06:36:04,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:36:07,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:36:07,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:36:07,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:36:07,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:36:07,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:36:07,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:36:07,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:36:07,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:36:07,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:36:07,234 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:36:07,235 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:36:07,236 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:36:07,236 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:36:07,237 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:36:07,237 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:36:07,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:36:07,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:36:07,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:36:07,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:36:07,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:36:07,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:36:07,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:36:07,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:36:07,245 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:36:07,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:36:07,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:36:07,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:36:07,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:36:07,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:36:07,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:36:07,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:36:07,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:36:07,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:36:07,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:36:07,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:36:07,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:36:07,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:36:07,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:36:07,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:36:07,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:36:07,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:36:07,256 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:36:07,256 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-11-09 06:36:07,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:36:07,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:36:07,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:36:07,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:36:07,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:36:07,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i Unable to find full path for "g++" [2024-11-09 06:36:10,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:36:10,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:36:10,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-09 06:36:10,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/9cffa7e50/56637d3d7d3b498fa193fc6620c2579e/FLAG0ee90b8eb [2024-11-09 06:36:10,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/data/9cffa7e50/56637d3d7d3b498fa193fc6620c2579e [2024-11-09 06:36:10,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:36:10,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:36:10,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:36:10,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:36:10,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:36:10,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:36:10" (1/1) ... [2024-11-09 06:36:10,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3c7bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:10, skipping insertion in model container [2024-11-09 06:36:10,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:36:10" (1/1) ... [2024-11-09 06:36:10,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:36:11,217 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-09 06:36:11,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:36:11,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:36:11,438 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_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-09 06:36:11,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:36:11,536 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:36:11,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11 WrapperNode [2024-11-09 06:36:11,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:36:11,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:36:11,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:36:11,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:36:11,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,638 INFO L138 Inliner]: procedures = 37, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 522 [2024-11-09 06:36:11,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:36:11,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:36:11,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:36:11,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:36:11,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:36:11,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:36:11,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:36:11,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:36:11,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (1/1) ... [2024-11-09 06:36:11,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:36:11,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:36:11,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:36:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:36:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:36:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:36:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-09 06:36:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:36:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:36:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:36:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:36:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:36:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 06:36:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-09 06:36:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 06:36:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:36:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:36:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:36:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:36:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:36:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:36:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:36:12,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:36:12,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:36:20,972 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-09 06:36:20,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:36:20,999 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:36:20,999 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:36:21,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:36:20 BoogieIcfgContainer [2024-11-09 06:36:21,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:36:21,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:36:21,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:36:21,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:36:21,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:36:10" (1/3) ... [2024-11-09 06:36:21,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe60f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:36:21, skipping insertion in model container [2024-11-09 06:36:21,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:11" (2/3) ... [2024-11-09 06:36:21,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe60f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:36:21, skipping insertion in model container [2024-11-09 06:36:21,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:36:20" (3/3) ... [2024-11-09 06:36:21,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-11-09 06:36:21,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:36:21,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:36:21,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:36:21,172 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;@403d7664, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:36:21,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:36:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 06:36:21,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:21,203 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:21,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:21,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:21,210 INFO L85 PathProgramCache]: Analyzing trace with hash -368200756, now seen corresponding path program 1 times [2024-11-09 06:36:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311606066] [2024-11-09 06:36:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:21,230 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 06:36:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:21,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:21,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:21,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:36:21,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-09 06:36:21,885 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:21,886 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:21,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311606066] [2024-11-09 06:36:21,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311606066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:21,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:21,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:36:21,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230874403] [2024-11-09 06:36:21,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:21,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:36:21,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:21,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:36:21,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:36:21,940 INFO L87 Difference]: Start difference. First operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:36:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:21,996 INFO L93 Difference]: Finished difference Result 235 states and 368 transitions. [2024-11-09 06:36:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:36:21,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-09 06:36:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:22,010 INFO L225 Difference]: With dead ends: 235 [2024-11-09 06:36:22,012 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 06:36:22,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 06:36:22,024 INFO L432 NwaCegarLoop]: 169 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, 169 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 06:36:22,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:36:22,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 06:36:22,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 06:36:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2024-11-09 06:36:22,092 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 147 [2024-11-09 06:36:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:22,093 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2024-11-09 06:36:22,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:36:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2024-11-09 06:36:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 06:36:22,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:22,102 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:22,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:22,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:22,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1864095440, now seen corresponding path program 1 times [2024-11-09 06:36:22,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:22,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260405154] [2024-11-09 06:36:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:22,306 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 06:36:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:22,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:22,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:22,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:36:22,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-09 06:36:22,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:22,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:22,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260405154] [2024-11-09 06:36:22,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260405154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:22,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:22,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:36:22,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106310204] [2024-11-09 06:36:22,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:22,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:36:22,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:36:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:22,894 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:36:23,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:23,043 INFO L93 Difference]: Finished difference Result 233 states and 338 transitions. [2024-11-09 06:36:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:36:23,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-09 06:36:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:23,050 INFO L225 Difference]: With dead ends: 233 [2024-11-09 06:36:23,050 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 06:36:23,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:23,057 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:23,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:36:23,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 06:36:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-09 06:36:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-09 06:36:23,078 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 147 [2024-11-09 06:36:23,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:23,080 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-09 06:36:23,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:36:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-09 06:36:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 06:36:23,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:23,084 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:23,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Ended with exit code 0 [2024-11-09 06:36:23,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:23,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:23,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:23,286 INFO L85 PathProgramCache]: Analyzing trace with hash 169298606, now seen corresponding path program 1 times [2024-11-09 06:36:23,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:23,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694264199] [2024-11-09 06:36:23,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:23,288 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 06:36:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:23,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:23,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:23,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:36:23,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 06:36:23,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:23,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694264199] [2024-11-09 06:36:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694264199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:23,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:23,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:36:23,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807473320] [2024-11-09 06:36:23,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:23,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:36:23,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:36:23,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:23,887 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:24,005 INFO L93 Difference]: Finished difference Result 237 states and 342 transitions. [2024-11-09 06:36:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:36:24,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-09 06:36:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:24,009 INFO L225 Difference]: With dead ends: 237 [2024-11-09 06:36:24,014 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 06:36:24,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:24,016 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:24,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:36:24,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 06:36:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-09 06:36:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-11-09 06:36:24,053 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 147 [2024-11-09 06:36:24,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:24,055 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-11-09 06:36:24,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-11-09 06:36:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 06:36:24,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:24,063 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:24,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Ended with exit code 0 [2024-11-09 06:36:24,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:24,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:24,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:24,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2058783895, now seen corresponding path program 1 times [2024-11-09 06:36:24,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:24,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620953208] [2024-11-09 06:36:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:24,272 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 06:36:24,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:24,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:24,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:24,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:36:24,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 06:36:24,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:24,988 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:24,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620953208] [2024-11-09 06:36:24,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620953208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:24,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:24,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:36:24,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784729031] [2024-11-09 06:36:24,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:24,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:36:24,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:24,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:36:24,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:36:24,992 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:26,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:28,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:31,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:33,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:34,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:37,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:39,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:40,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:40,791 INFO L93 Difference]: Finished difference Result 272 states and 387 transitions. [2024-11-09 06:36:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:36:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-09 06:36:40,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:40,794 INFO L225 Difference]: With dead ends: 272 [2024-11-09 06:36:40,794 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 06:36:40,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:36:40,797 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 42 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:40,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 477 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 5 Unknown, 0 Unchecked, 15.7s Time] [2024-11-09 06:36:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 06:36:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2024-11-09 06:36:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-11-09 06:36:40,809 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 149 [2024-11-09 06:36:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:40,810 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-11-09 06:36:40,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-11-09 06:36:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:36:40,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:40,814 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:40,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:41,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:41,015 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:41,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1858985340, now seen corresponding path program 1 times [2024-11-09 06:36:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:41,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871074339] [2024-11-09 06:36:41,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:41,017 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 06:36:41,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:41,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:41,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:41,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:36:41,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 06:36:42,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:42,250 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871074339] [2024-11-09 06:36:42,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871074339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:42,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:42,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:36:42,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795615578] [2024-11-09 06:36:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:42,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:36:42,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:42,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:36:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:42,254 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:43,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:44,017 INFO L93 Difference]: Finished difference Result 291 states and 413 transitions. [2024-11-09 06:36:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:36:44,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-09 06:36:44,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:44,021 INFO L225 Difference]: With dead ends: 291 [2024-11-09 06:36:44,021 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 06:36:44,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:44,023 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 55 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:44,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 482 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 06:36:44,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 06:36:44,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 148. [2024-11-09 06:36:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:36:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 210 transitions. [2024-11-09 06:36:44,038 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 210 transitions. Word has length 151 [2024-11-09 06:36:44,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:44,039 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 210 transitions. [2024-11-09 06:36:44,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 210 transitions. [2024-11-09 06:36:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:36:44,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:44,043 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:44,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:44,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:44,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:44,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:44,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1458555461, now seen corresponding path program 1 times [2024-11-09 06:36:44,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:36:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7011895] [2024-11-09 06:36:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:44,270 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 06:36:44,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:36:44,276 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:44,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:36:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:44,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:36:44,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 06:36:44,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:44,907 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:44,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7011895] [2024-11-09 06:36:44,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7011895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:44,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:44,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:36:44,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760286919] [2024-11-09 06:36:44,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:44,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:36:44,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:44,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:36:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:36:44,911 INFO L87 Difference]: Start difference. First operand 148 states and 210 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:36:46,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:48,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:51,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:55,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:57,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:59,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:00,817 INFO L93 Difference]: Finished difference Result 327 states and 461 transitions. [2024-11-09 06:37:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:37:00,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-09 06:37:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:00,821 INFO L225 Difference]: With dead ends: 327 [2024-11-09 06:37:00,821 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 06:37:00,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:00,823 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 37 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:00,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 479 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 197 Invalid, 5 Unknown, 0 Unchecked, 15.9s Time] [2024-11-09 06:37:00,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 06:37:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 155. [2024-11-09 06:37:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 135 states have (on average 1.348148148148148) internal successors, (182), 135 states have internal predecessors, (182), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:37:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 218 transitions. [2024-11-09 06:37:00,837 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 218 transitions. Word has length 151 [2024-11-09 06:37:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:00,838 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 218 transitions. [2024-11-09 06:37:00,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:37:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 218 transitions. [2024-11-09 06:37:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:37:00,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:00,841 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:00,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:01,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:01,042 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:01,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:01,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2135347257, now seen corresponding path program 1 times [2024-11-09 06:37:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:01,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112564197] [2024-11-09 06:37:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:01,044 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 06:37:01,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:01,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:01,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:01,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:37:01,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 06:37:01,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:01,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:01,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112564197] [2024-11-09 06:37:01,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112564197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:01,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:37:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280842056] [2024-11-09 06:37:01,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:01,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:37:01,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:37:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:01,626 INFO L87 Difference]: Start difference. First operand 155 states and 218 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:37:01,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:01,784 INFO L93 Difference]: Finished difference Result 311 states and 438 transitions. [2024-11-09 06:37:01,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:37:01,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-09 06:37:01,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:01,787 INFO L225 Difference]: With dead ends: 311 [2024-11-09 06:37:01,787 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 06:37:01,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:01,789 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:01,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:37:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 06:37:01,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-09 06:37:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 139 states have internal predecessors, (186), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:37:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 222 transitions. [2024-11-09 06:37:01,806 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 222 transitions. Word has length 151 [2024-11-09 06:37:01,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:01,807 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 222 transitions. [2024-11-09 06:37:01,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 06:37:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2024-11-09 06:37:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:37:01,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:01,816 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:01,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:02,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:02,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:02,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:02,018 INFO L85 PathProgramCache]: Analyzing trace with hash -100416606, now seen corresponding path program 1 times [2024-11-09 06:37:02,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:02,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941009965] [2024-11-09 06:37:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:02,019 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 06:37:02,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:02,020 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:02,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (9)] Waiting until timeout for monitored process [2024-11-09 06:37:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:02,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:37:02,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:03,345 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:37:03,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 06:37:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-09 06:37:03,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:03,425 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:03,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941009965] [2024-11-09 06:37:03,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941009965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:03,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:03,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:37:03,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674421926] [2024-11-09 06:37:03,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:03,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:37:03,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:03,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:37:03,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:03,428 INFO L87 Difference]: Start difference. First operand 159 states and 222 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:37:05,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:09,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:11,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:12,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:15,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:17,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:19,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:21,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:23,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:24,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:24,160 INFO L93 Difference]: Finished difference Result 316 states and 442 transitions. [2024-11-09 06:37:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:37:24,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-09 06:37:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:24,163 INFO L225 Difference]: With dead ends: 316 [2024-11-09 06:37:24,164 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 06:37:24,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:37:24,165 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 148 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:24,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 474 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2024-11-09 06:37:24,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 06:37:24,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-11-09 06:37:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.330935251798561) internal successors, (185), 139 states have internal predecessors, (185), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:37:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 221 transitions. [2024-11-09 06:37:24,178 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 221 transitions. Word has length 151 [2024-11-09 06:37:24,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:24,179 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 221 transitions. [2024-11-09 06:37:24,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:37:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2024-11-09 06:37:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 06:37:24,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:24,182 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:24,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (9)] Ended with exit code 0 [2024-11-09 06:37:24,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:24,383 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:24,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1809671610, now seen corresponding path program 1 times [2024-11-09 06:37:24,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:24,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036430304] [2024-11-09 06:37:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:24,385 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 06:37:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:24,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:24,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (10)] Waiting until timeout for monitored process [2024-11-09 06:37:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:25,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:37:25,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-09 06:37:25,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:25,446 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036430304] [2024-11-09 06:37:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036430304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:25,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:37:25,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647435149] [2024-11-09 06:37:25,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:25,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:37:25,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:25,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:37:25,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:25,451 INFO L87 Difference]: Start difference. First operand 159 states and 221 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 06:37:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:26,034 INFO L93 Difference]: Finished difference Result 319 states and 444 transitions. [2024-11-09 06:37:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:37:26,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-11-09 06:37:26,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:26,037 INFO L225 Difference]: With dead ends: 319 [2024-11-09 06:37:26,037 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 06:37:26,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:37:26,039 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:26,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 687 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 06:37:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 06:37:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2024-11-09 06:37:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 139 states have internal predecessors, (184), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:37:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 220 transitions. [2024-11-09 06:37:26,058 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 220 transitions. Word has length 153 [2024-11-09 06:37:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:26,062 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 220 transitions. [2024-11-09 06:37:26,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 06:37:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 220 transitions. [2024-11-09 06:37:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 06:37:26,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:26,065 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:26,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:26,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:26,265 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:26,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:26,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1538257800, now seen corresponding path program 1 times [2024-11-09 06:37:26,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:26,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873379924] [2024-11-09 06:37:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:26,267 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 06:37:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:26,271 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:26,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:27,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:37:27,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:27,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:37:27,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-09 06:37:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 06:37:27,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:27,872 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:27,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873379924] [2024-11-09 06:37:27,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873379924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:27,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:27,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:37:27,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544898890] [2024-11-09 06:37:27,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:27,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:37:27,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:27,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:37:27,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:27,876 INFO L87 Difference]: Start difference. First operand 159 states and 220 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:37:29,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:33,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:35,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:40,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:41,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:43,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:45,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:47,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:49,935 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 [] [2024-11-09 06:37:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:50,314 INFO L93 Difference]: Finished difference Result 316 states and 438 transitions. [2024-11-09 06:37:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:37:50,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-11-09 06:37:50,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:50,317 INFO L225 Difference]: With dead ends: 316 [2024-11-09 06:37:50,317 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 06:37:50,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:37:50,318 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 139 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:50,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 466 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 7 Unknown, 0 Unchecked, 22.3s Time] [2024-11-09 06:37:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 06:37:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-11-09 06:37:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.316546762589928) internal successors, (183), 139 states have internal predecessors, (183), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:37:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 219 transitions. [2024-11-09 06:37:50,329 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 219 transitions. Word has length 153 [2024-11-09 06:37:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:50,330 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 219 transitions. [2024-11-09 06:37:50,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:37:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-11-09 06:37:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 06:37:50,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:50,337 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:50,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Ended with exit code 0 [2024-11-09 06:37:50,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:50,538 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:50,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:50,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2002682594, now seen corresponding path program 1 times [2024-11-09 06:37:50,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:50,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172471530] [2024-11-09 06:37:50,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:50,540 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 06:37:50,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:50,544 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:37:50,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (12)] Waiting until timeout for monitored process [2024-11-09 06:37:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:51,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:37:51,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:51,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:37:51,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 06:37:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-09 06:37:52,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:52,048 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:52,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172471530] [2024-11-09 06:37:52,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172471530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:52,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:52,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:37:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817340921] [2024-11-09 06:37:52,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:52,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:37:52,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:52,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:37:52,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:52,051 INFO L87 Difference]: Start difference. First operand 159 states and 219 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:37:54,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:57,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:59,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:01,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:03,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:05,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:08,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:10,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:12,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:12,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:12,801 INFO L93 Difference]: Finished difference Result 315 states and 435 transitions. [2024-11-09 06:38:12,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:38:12,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-11-09 06:38:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:12,804 INFO L225 Difference]: With dead ends: 315 [2024-11-09 06:38:12,804 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 06:38:12,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:38:12,805 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 131 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:12,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 460 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 8 Unknown, 0 Unchecked, 20.6s Time] [2024-11-09 06:38:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 06:38:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2024-11-09 06:38:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 137 states have (on average 1.313868613138686) internal successors, (180), 137 states have internal predecessors, (180), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:38:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 216 transitions. [2024-11-09 06:38:12,816 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 216 transitions. Word has length 155 [2024-11-09 06:38:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:12,817 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 216 transitions. [2024-11-09 06:38:12,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:38:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 216 transitions. [2024-11-09 06:38:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:38:12,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:12,819 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:12,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (12)] Ended with exit code 0 [2024-11-09 06:38:13,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:38:13,025 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:13,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash 736727498, now seen corresponding path program 1 times [2024-11-09 06:38:13,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:38:13,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658203085] [2024-11-09 06:38:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:13,026 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 06:38:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:38:13,027 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:38:13,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Waiting until timeout for monitored process [2024-11-09 06:38:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:13,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:38:13,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:14,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:14,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2024-11-09 06:38:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 20 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 06:38:14,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:15,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:15,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-11-09 06:38:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 06:38:15,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:38:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658203085] [2024-11-09 06:38:15,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658203085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1780101273] [2024-11-09 06:38:15,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:38:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:38:15,395 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:38:15,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 06:38:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:17,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 06:38:17,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:18,289 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 20 treesize of output 21 [2024-11-09 06:38:23,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:23,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 91 [2024-11-09 06:38:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 20 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 06:38:23,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 06:38:24,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1780101273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:24,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761303015] [2024-11-09 06:38:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:24,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:38:24,692 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:38:24,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 06:38:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:25,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:38:25,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:29,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:29,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 83 [2024-11-09 06:38:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 20 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 06:38:29,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:30,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:38:30,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 1 [2024-11-09 06:38:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 06:38:30,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761303015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:30,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:38:30,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 9, 10, 9] total 19 [2024-11-09 06:38:30,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768604430] [2024-11-09 06:38:30,568 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:38:30,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 06:38:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:38:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 06:38:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=258, Unknown=4, NotChecked=0, Total=342 [2024-11-09 06:38:30,571 INFO L87 Difference]: Start difference. First operand 157 states and 216 transitions. Second operand has 19 states, 18 states have (on average 6.666666666666667) internal successors, (120), 19 states have internal predecessors, (120), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2024-11-09 06:38:33,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:34,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:36,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:44,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:48,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:50,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:52,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:54,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:55,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:56,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:58,887 WARN L539 Checker$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 [] [2024-11-09 06:39:00,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:00,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:39:00,844 INFO L93 Difference]: Finished difference Result 325 states and 445 transitions. [2024-11-09 06:39:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:39:00,845 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 6.666666666666667) internal successors, (120), 19 states have internal predecessors, (120), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 157 [2024-11-09 06:39:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:39:00,846 INFO L225 Difference]: With dead ends: 325 [2024-11-09 06:39:00,847 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 06:39:00,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 918 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=184, Invalid=682, Unknown=4, NotChecked=0, Total=870 [2024-11-09 06:39:00,848 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 134 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 14 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:39:00,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 652 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 718 Invalid, 5 Unknown, 0 Unchecked, 29.2s Time] [2024-11-09 06:39:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 06:39:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2024-11-09 06:39:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 137 states have (on average 1.2992700729927007) internal successors, (178), 137 states have internal predecessors, (178), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:39:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 214 transitions. [2024-11-09 06:39:00,858 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 214 transitions. Word has length 157 [2024-11-09 06:39:00,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:39:00,858 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 214 transitions. [2024-11-09 06:39:00,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.666666666666667) internal successors, (120), 19 states have internal predecessors, (120), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2024-11-09 06:39:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2024-11-09 06:39:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:39:00,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:39:00,860 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:00,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 06:39:01,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 06:39:01,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:39:01,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:39:01,462 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:39:01,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:39:01,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1775312072, now seen corresponding path program 1 times [2024-11-09 06:39:01,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:39:01,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675544665] [2024-11-09 06:39:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:01,463 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 06:39:01,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:39:01,467 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 06:39:01,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c16d057c-54cb-4b91-9ee7-a57cc7b1998b/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 (16)] Waiting until timeout for monitored process