./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:34:04,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:04,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:34:04,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:04,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:04,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:04,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:04,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:04,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:04,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:04,297 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:04,297 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:04,298 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:04,298 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:34:04,301 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:04,301 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:04,302 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:34:04,302 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:34:04,302 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:04,303 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:34:04,303 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:34:04,308 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:34:04,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:04,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:04,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:04,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:34:04,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:04,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:04,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:04,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:04,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:04,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:04,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:04,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:04,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:04,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:04,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:34:04,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:04,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:04,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:04,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:04,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:04,319 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:34:04,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:34:04,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:04,321 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:04,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:34:04,322 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2024-11-09 06:34:04,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:04,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:04,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:04,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:04,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:04,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c Unable to find full path for "g++" [2024-11-09 06:34:06,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:34:07,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:34:07,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2024-11-09 06:34:07,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/b94829d1f/41f14444248249808581f6f9753e8527/FLAGe8c61d6b2 [2024-11-09 06:34:07,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/b94829d1f/41f14444248249808581f6f9753e8527 [2024-11-09 06:34:07,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:34:07,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:34:07,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:07,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:34:07,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:34:07,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9ccf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07, skipping insertion in model container [2024-11-09 06:34:07,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:34:07,523 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2024-11-09 06:34:07,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:07,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:34:07,596 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2024-11-09 06:34:07,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:07,621 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:34:07,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07 WrapperNode [2024-11-09 06:34:07,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:07,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:07,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:34:07,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:34:07,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,699 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 451 [2024-11-09 06:34:07,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:07,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:34:07,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:34:07,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:34:07,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:34:07,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:34:07,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:34:07,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:34:07,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (1/1) ... [2024-11-09 06:34:07,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:07,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:07,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:34:07,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:34:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:34:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:34:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:34:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:34:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:34:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:34:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:34:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:34:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:34:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:34:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:34:07,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:34:07,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:08,850 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-09 06:34:08,851 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:09,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:09,480 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-09 06:34:09,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:09 BoogieIcfgContainer [2024-11-09 06:34:09,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:09,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:09,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:09,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:09,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:34:07" (1/3) ... [2024-11-09 06:34:09,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c13f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:09, skipping insertion in model container [2024-11-09 06:34:09,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:07" (2/3) ... [2024-11-09 06:34:09,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c13f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:09, skipping insertion in model container [2024-11-09 06:34:09,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:09" (3/3) ... [2024-11-09 06:34:09,491 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2024-11-09 06:34:09,512 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:09,512 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:34:09,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:09,611 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;@6b3a6dcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:09,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:34:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 48 states have (on average 1.7916666666666667) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 06:34:09,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:09,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:09,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:09,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1857397518, now seen corresponding path program 1 times [2024-11-09 06:34:09,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:09,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258775136] [2024-11-09 06:34:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:09,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:09,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258775136] [2024-11-09 06:34:09,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258775136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:09,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:09,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:09,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506467293] [2024-11-09 06:34:09,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:09,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:34:09,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:09,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:34:09,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:09,940 INFO L87 Difference]: Start difference. First operand has 50 states, 48 states have (on average 1.7916666666666667) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:10,055 INFO L93 Difference]: Finished difference Result 98 states and 169 transitions. [2024-11-09 06:34:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:34:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 06:34:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:10,069 INFO L225 Difference]: With dead ends: 98 [2024-11-09 06:34:10,069 INFO L226 Difference]: Without dead ends: 47 [2024-11-09 06:34:10,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 06:34:10,077 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:10,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:34:10,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-09 06:34:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-09 06:34:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 46 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 70 transitions. [2024-11-09 06:34:10,164 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 70 transitions. Word has length 10 [2024-11-09 06:34:10,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:10,164 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 70 transitions. [2024-11-09 06:34:10,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-09 06:34:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:34:10,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:10,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:10,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:34:10,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:10,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash 402372878, now seen corresponding path program 1 times [2024-11-09 06:34:10,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:10,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200054702] [2024-11-09 06:34:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:34:10,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:34:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:34:10,594 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:34:10,594 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:34:10,599 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:34:10,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:34:10,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:34:10,641 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:34:10,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:34:10 BoogieIcfgContainer [2024-11-09 06:34:10,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:34:10,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:34:10,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:34:10,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:34:10,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:09" (3/4) ... [2024-11-09 06:34:10,655 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:34:10,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:34:10,657 INFO L158 Benchmark]: Toolchain (without parser) took 3471.82ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 105.7MB in the end (delta: 30.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-09 06:34:10,658 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:10,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.97ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 120.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:34:10,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.43ms. Allocated memory is still 178.3MB. Free memory was 120.0MB in the beginning and 115.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:34:10,660 INFO L158 Benchmark]: Boogie Preprocessor took 60.04ms. Allocated memory is still 178.3MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:34:10,660 INFO L158 Benchmark]: RCFGBuilder took 1719.10ms. Allocated memory is still 178.3MB. Free memory was 112.9MB in the beginning and 84.1MB in the end (delta: 28.8MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-09 06:34:10,661 INFO L158 Benchmark]: TraceAbstraction took 1165.78ms. Allocated memory is still 178.3MB. Free memory was 83.2MB in the beginning and 105.7MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:10,661 INFO L158 Benchmark]: Witness Printer took 6.97ms. Allocated memory is still 178.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:10,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.97ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 120.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.43ms. Allocated memory is still 178.3MB. Free memory was 120.0MB in the beginning and 115.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.04ms. Allocated memory is still 178.3MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1719.10ms. Allocated memory is still 178.3MB. Free memory was 112.9MB in the beginning and 84.1MB in the end (delta: 28.8MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1165.78ms. Allocated memory is still 178.3MB. Free memory was 83.2MB in the beginning and 105.7MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.97ms. Allocated memory is still 178.3MB. Free memory is still 105.7MB. 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: 193]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L189] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, one_fmod=1, x=0, y=4294967308] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff [L45] EXPR hy | ly [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, hx=7, hy=0, lx=4294967306, ly=0, one_fmod=1, sx=0, x=0, y=4294967308] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, hx=7, hy=0, lx=4294967306, ly=0, one_fmod=1, sx=0, x=0, y=4294967308] [L189] RET, EXPR fmod_double(x, y) [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [Zero_fmod={4:0}, one_fmod=1, res=4294967307] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=4294967307] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 62 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 06:34:10,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:34:13,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:13,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:34:13,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:13,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:13,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:13,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:13,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:13,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:13,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:13,653 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:13,653 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:13,654 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:13,654 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:13,655 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:13,655 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:13,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:13,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:13,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:13,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:13,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:13,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:13,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:13,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:13,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:34:13,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:34:13,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:13,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:34:13,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:13,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:13,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:13,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:13,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:34:13,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:34:13,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:13,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:13,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:13,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:13,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:13,672 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:34:13,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:34:13,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:13,673 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:13,681 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2024-11-09 06:34:14,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:14,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:14,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:14,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:14,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:14,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c Unable to find full path for "g++" [2024-11-09 06:34:16,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:34:16,650 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:34:16,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2024-11-09 06:34:16,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/6b2702448/f9dc53209ce34b409c7fd07325c40bd0/FLAG5f6fb9926 [2024-11-09 06:34:17,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/data/6b2702448/f9dc53209ce34b409c7fd07325c40bd0 [2024-11-09 06:34:17,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:34:17,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:34:17,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:17,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:34:17,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:34:17,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ea93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17, skipping insertion in model container [2024-11-09 06:34:17,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:34:17,428 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2024-11-09 06:34:17,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:17,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:34:17,530 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_c9c3a3b5-64d6-42b6-b28a-385d5a252035/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2024-11-09 06:34:17,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:17,573 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:34:17,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17 WrapperNode [2024-11-09 06:34:17,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:17,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:17,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:34:17,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:34:17,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,635 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 237 [2024-11-09 06:34:17,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:17,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:34:17,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:34:17,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:34:17,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:34:17,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:34:17,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:34:17,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:34:17,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (1/1) ... [2024-11-09 06:34:17,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:17,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:34:17,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:34:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:34:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:34:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:34:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:34:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:34:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:34:17,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:34:17,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:23,432 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-09 06:34:23,433 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:23,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:23,456 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-09 06:34:23,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:23 BoogieIcfgContainer [2024-11-09 06:34:23,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:23,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:23,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:23,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:23,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:34:17" (1/3) ... [2024-11-09 06:34:23,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fd44c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:23, skipping insertion in model container [2024-11-09 06:34:23,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:17" (2/3) ... [2024-11-09 06:34:23,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fd44c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:23, skipping insertion in model container [2024-11-09 06:34:23,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:23" (3/3) ... [2024-11-09 06:34:23,476 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2024-11-09 06:34:23,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:23,502 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:34:23,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:23,612 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;@7e2b1b4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:23,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:34:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 60 states have (on average 1.7833333333333334) internal successors, (107), 61 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:34:23,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:23,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:23,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:23,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:23,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1181986211, now seen corresponding path program 1 times [2024-11-09 06:34:23,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:34:23,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75776145] [2024-11-09 06:34:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:23,662 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 06:34:23,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:34:23,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:34:23,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:34:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:24,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:34:24,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:34:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:24,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:34:24,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:34:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75776145] [2024-11-09 06:34:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75776145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:24,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902884648] [2024-11-09 06:34:24,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:24,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:34:24,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:34:24,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:34:24,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:24,806 INFO L87 Difference]: Start difference. First operand has 62 states, 60 states have (on average 1.7833333333333334) internal successors, (107), 61 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:24,833 INFO L93 Difference]: Finished difference Result 121 states and 210 transitions. [2024-11-09 06:34:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:34:24,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 06:34:24,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:24,846 INFO L225 Difference]: With dead ends: 121 [2024-11-09 06:34:24,847 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 06:34:24,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 06:34:24,854 INFO L432 NwaCegarLoop]: 95 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, 95 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 06:34:24,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:24,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 06:34:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 06:34:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.5789473684210527) internal successors, (90), 57 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 90 transitions. [2024-11-09 06:34:24,899 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 90 transitions. Word has length 11 [2024-11-09 06:34:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:24,899 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 90 transitions. [2024-11-09 06:34:24,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2024-11-09 06:34:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 06:34:24,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:24,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:24,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:34:25,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:34:25,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:25,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:25,104 INFO L85 PathProgramCache]: Analyzing trace with hash -718422785, now seen corresponding path program 1 times [2024-11-09 06:34:25,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:34:25,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407448428] [2024-11-09 06:34:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:25,110 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 06:34:25,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:34:25,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:34:25,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:34:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:26,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 06:34:26,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:34:26,747 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:34:26,811 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 16 treesize of output 17 [2024-11-09 06:34:27,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:34:27,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:34:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:31,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:34:31,217 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:34:31,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407448428] [2024-11-09 06:34:31,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407448428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:31,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:31,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:34:31,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488998196] [2024-11-09 06:34:31,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:31,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:34:31,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:34:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:34:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2024-11-09 06:34:31,227 INFO L87 Difference]: Start difference. First operand 58 states and 90 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:34,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:40,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:42,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:45,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:47,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:49,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:51,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:53,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:55,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:57,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:59,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:01,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:03,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:05,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:07,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:09,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:11,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:13,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:16,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:18,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:20,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:22,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:24,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:26,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:28,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:30,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:35:33,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:33,324 INFO L93 Difference]: Finished difference Result 103 states and 161 transitions. [2024-11-09 06:35:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:35:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 06:35:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:33,356 INFO L225 Difference]: With dead ends: 103 [2024-11-09 06:35:33,357 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 06:35:33,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=23, Invalid=64, Unknown=3, NotChecked=0, Total=90 [2024-11-09 06:35:33,359 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 86 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:33,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 231 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 27 Unknown, 0 Unchecked, 56.9s Time] [2024-11-09 06:35:33,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 06:35:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-11-09 06:35:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2024-11-09 06:35:33,371 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2024-11-09 06:35:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:33,372 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2024-11-09 06:35:33,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-11-09 06:35:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 06:35:33,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:33,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:33,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:35:33,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:33,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1022551972, now seen corresponding path program 1 times [2024-11-09 06:35:33,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:35:33,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862725970] [2024-11-09 06:35:33,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:33,576 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 06:35:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:35:33,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:33,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 06:35:33,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:34,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:35:34,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:35:34,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862725970] [2024-11-09 06:35:34,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862725970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:34,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:34,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:35:34,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487436618] [2024-11-09 06:35:34,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:34,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:35:34,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:35:34,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:35:34,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:35:34,245 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:36,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:36,798 INFO L93 Difference]: Finished difference Result 62 states and 88 transitions. [2024-11-09 06:35:36,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:35:36,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 06:35:36,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:36,826 INFO L225 Difference]: With dead ends: 62 [2024-11-09 06:35:36,826 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 06:35:36,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:35:36,828 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 56 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:36,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 312 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 06:35:36,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 06:35:36,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-11-09 06:35:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 57 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-11-09 06:35:36,841 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 15 [2024-11-09 06:35:36,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:36,841 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-11-09 06:35:36,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-11-09 06:35:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 06:35:36,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:36,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:36,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:35:37,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:37,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:37,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:37,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1507248045, now seen corresponding path program 1 times [2024-11-09 06:35:37,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:35:37,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850792713] [2024-11-09 06:35:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:37,045 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 06:35:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:35:37,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:37,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:37,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:35:37,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:39,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:35:39,191 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:35:39,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850792713] [2024-11-09 06:35:39,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850792713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:39,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:39,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 06:35:39,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132607522] [2024-11-09 06:35:39,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:39,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:35:39,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:35:39,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:35:39,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:35:39,194 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:40,220 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2024-11-09 06:35:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:35:40,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 06:35:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:40,223 INFO L225 Difference]: With dead ends: 65 [2024-11-09 06:35:40,223 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 06:35:40,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:35:40,224 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:40,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 65 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 06:35:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 06:35:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 06:35:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0) internal successors, (19), 19 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2024-11-09 06:35:40,230 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2024-11-09 06:35:40,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:40,230 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2024-11-09 06:35:40,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2024-11-09 06:35:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 06:35:40,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:40,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:40,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:40,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:40,436 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:40,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash -902779047, now seen corresponding path program 1 times [2024-11-09 06:35:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:35:40,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742224234] [2024-11-09 06:35:40,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:40,438 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 06:35:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:35:40,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:40,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:35:40,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:42,131 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:35:42,131 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:35:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742224234] [2024-11-09 06:35:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742224234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:42,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:35:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962253953] [2024-11-09 06:35:42,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:42,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:35:42,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:35:42,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:35:42,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:35:42,134 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:43,436 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2024-11-09 06:35:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:35:43,437 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-09 06:35:43,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:43,437 INFO L225 Difference]: With dead ends: 20 [2024-11-09 06:35:43,437 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:35:43,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:35:43,439 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:43,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 70 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:35:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:35:43,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:35:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:35:43,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2024-11-09 06:35:43,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:43,441 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:35:43,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:35:43,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:35:43,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:35:43,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:43,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 06:35:43,653 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 06:35:43,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:35:44,121 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:35:44,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:35:44 BoogieIcfgContainer [2024-11-09 06:35:44,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:35:44,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:35:44,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:35:44,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:35:44,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:23" (3/4) ... [2024-11-09 06:35:44,139 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:35:44,150 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 06:35:44,151 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 06:35:44,151 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:35:44,151 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:35:44,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:35:44,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:35:44,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:35:44,247 INFO L158 Benchmark]: Toolchain (without parser) took 87241.84ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 54.7MB in the end (delta: -10.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,247 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 111.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.29ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 48.0MB in the end (delta: -4.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.41ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 45.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,249 INFO L158 Benchmark]: Boogie Preprocessor took 49.75ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,249 INFO L158 Benchmark]: RCFGBuilder took 5767.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 42.9MB in the beginning and 57.6MB in the end (delta: -14.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,250 INFO L158 Benchmark]: TraceAbstraction took 80671.26ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 59.7MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:35:44,251 INFO L158 Benchmark]: Witness Printer took 111.36ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:35:44,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 111.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.29ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 48.0MB in the end (delta: -4.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.41ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 45.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.75ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5767.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 42.9MB in the beginning and 57.6MB in the end (delta: -14.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 80671.26ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 59.7MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.36ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 193]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 60.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 60.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 513 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 276 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 260 mSDtfsCounter, 276 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 15 QuantifiedInterpolants, 620 SizeOfPredicates, 12 NumberOfNonLiveVariables, 355 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-09 06:35:44,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3a3b5-64d6-42b6-b28a-385d5a252035/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 Writing output log to file Ultimate.log Result: TRUE