./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:54:11,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:54:11,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:54:11,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:54:11,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:54:11,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:54:11,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:54:11,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:54:11,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:54:11,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:54:11,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:54:11,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:54:11,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:54:11,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:54:11,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:54:11,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:54:11,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:54:11,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:54:11,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:54:11,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:54:11,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:54:11,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:54:11,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:54:11,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:54:11,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:54:11,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:54:11,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:54:11,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:54:11,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:54:11,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:54:11,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:54:11,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:54:11,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:54:11,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:54:11,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:54:11,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:54:11,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:54:11,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:54:11,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:54:11,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:54:11,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:54:11,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:54:11,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:54:11,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:54:11,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:54:11,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:54:11,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:54:11,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:54:11,344 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:54:11,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:54:11,345 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:54:11,345 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:54:11,345 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:54:11,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:54:11,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:54:11,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:54:11,346 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:54:11,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:54:11,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:54:11,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:54:11,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:54:11,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:54:11,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:54:11,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:54:11,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:54:11,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:54:11,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:54:11,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:54:11,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:54:11,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:54:11,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:54:11,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:54:11,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:54:11,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:54:11,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:11,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:54:11,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:54:11,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:54:11,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:54:11,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:54:11,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:54:11,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:54:11,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:54:11,352 INFO L138 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_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2022-11-03 01:54:11,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:54:11,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:54:11,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:54:11,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:54:11,740 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:54:11,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-11-03 01:54:11,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/4ffd46936/056e9becc8fa4d79b0f93a723fb06531/FLAG4ca43a631 [2022-11-03 01:54:12,510 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:54:12,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-11-03 01:54:12,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/4ffd46936/056e9becc8fa4d79b0f93a723fb06531/FLAG4ca43a631 [2022-11-03 01:54:12,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/4ffd46936/056e9becc8fa4d79b0f93a723fb06531 [2022-11-03 01:54:12,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:54:12,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:54:12,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:12,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:54:12,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:54:12,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:12" (1/1) ... [2022-11-03 01:54:12,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627afe4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:12, skipping insertion in model container [2022-11-03 01:54:12,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:12" (1/1) ... [2022-11-03 01:54:12,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:54:12,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:54:13,191 WARN L230 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_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-11-03 01:54:13,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:13,204 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:54:13,237 WARN L230 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_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-11-03 01:54:13,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:13,255 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:54:13,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13 WrapperNode [2022-11-03 01:54:13,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:13,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:13,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:54:13,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:54:13,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,314 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-11-03 01:54:13,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:13,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:54:13,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:54:13,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:54:13,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:54:13,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:54:13,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:54:13,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:54:13,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (1/1) ... [2022-11-03 01:54:13,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:13,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:13,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:54:13,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:54:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:54:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:54:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:54:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 01:54:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:54:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 01:54:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:54:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:54:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:54:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:54:13,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:54:13,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:54:14,026 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:14,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:14,495 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 01:54:14,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:14 BoogieIcfgContainer [2022-11-03 01:54:14,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:14,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:14,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:14,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:14,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:54:12" (1/3) ... [2022-11-03 01:54:14,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a9d355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:14, skipping insertion in model container [2022-11-03 01:54:14,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:13" (2/3) ... [2022-11-03 01:54:14,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a9d355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:14, skipping insertion in model container [2022-11-03 01:54:14,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:14" (3/3) ... [2022-11-03 01:54:14,519 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2022-11-03 01:54:14,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:14,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:14,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:14,664 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7539a4c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:14,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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) [2022-11-03 01:54:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:54:14,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:14,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:14,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2075857304, now seen corresponding path program 1 times [2022-11-03 01:54:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:14,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601421759] [2022-11-03 01:54:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:14,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:14,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601421759] [2022-11-03 01:54:14,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601421759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:14,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:14,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:54:14,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984055189] [2022-11-03 01:54:14,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:14,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:54:14,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:14,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:54:14,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:54:14,967 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-03 01:54:15,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:15,044 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2022-11-03 01:54:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:54:15,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-03 01:54:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:15,080 INFO L225 Difference]: With dead ends: 43 [2022-11-03 01:54:15,080 INFO L226 Difference]: Without dead ends: 20 [2022-11-03 01:54:15,089 INFO L412 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 [2022-11-03 01:54:15,094 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:15,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:54:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-03 01:54:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-03 01:54:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-11-03 01:54:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-03 01:54:15,141 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2022-11-03 01:54:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:15,143 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-03 01:54:15,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-03 01:54:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-11-03 01:54:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:54:15,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:15,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:15,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:54:15,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:15,148 INFO L85 PathProgramCache]: Analyzing trace with hash -516775941, now seen corresponding path program 1 times [2022-11-03 01:54:15,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:15,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111386132] [2022-11-03 01:54:15,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:54:15,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:54:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:54:15,316 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:54:15,317 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:54:15,320 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:54:15,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:54:15,330 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 01:54:15,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:54:15,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:54:15 BoogieIcfgContainer [2022-11-03 01:54:15,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:54:15,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:54:15,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:54:15,371 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:54:15,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:14" (3/4) ... [2022-11-03 01:54:15,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:54:15,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:54:15,378 INFO L158 Benchmark]: Toolchain (without parser) took 2537.26ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 119.2MB in the end (delta: 498.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:15,379 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:15,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.88ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 129.9MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:54:15,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.78ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 127.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:54:15,382 INFO L158 Benchmark]: Boogie Preprocessor took 41.56ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:54:15,383 INFO L158 Benchmark]: RCFGBuilder took 1140.57ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 83.8MB in the end (delta: 41.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-03 01:54:15,384 INFO L158 Benchmark]: TraceAbstraction took 863.76ms. Allocated memory is still 157.3MB. Free memory was 83.1MB in the beginning and 119.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:15,384 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 157.3MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:15,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.88ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 129.9MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.78ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 127.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.56ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1140.57ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 83.8MB in the end (delta: 41.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 863.76ms. Allocated memory is still 157.3MB. Free memory was 83.1MB in the beginning and 119.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 157.3MB. Free memory is still 119.2MB. 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: 105]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L100] double x = 0.0; [L101] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L28] COND FALSE !(j0 < 20) VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L49] COND TRUE j0 > 51 [L50] COND TRUE j0 == 0x400 [L51] return x + x; VAL [\old(x)=0, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L101] RET, EXPR floor_double(x) [L101] double res = floor_double(x); [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L104] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L105] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 7 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=22occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2022-11-03 01:54:15,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/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_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:54:18,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:54:18,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:54:18,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:54:18,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:54:18,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:54:18,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:54:18,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:54:18,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:54:18,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:54:18,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:54:18,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:54:18,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:54:18,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:54:18,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:54:18,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:54:18,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:54:18,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:54:18,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:54:18,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:54:18,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:54:18,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:54:18,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:54:18,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:54:18,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:54:18,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:54:18,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:54:18,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:54:18,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:54:18,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:54:18,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:54:18,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:54:18,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:54:18,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:54:18,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:54:18,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:54:18,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:54:18,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:54:18,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:54:18,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:54:18,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:54:18,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:54:18,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:54:18,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:54:18,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:54:18,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:54:18,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:54:18,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:54:18,308 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:54:18,309 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:54:18,309 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:54:18,309 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:54:18,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:54:18,311 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:54:18,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:54:18,313 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:54:18,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:54:18,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:54:18,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:54:18,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:54:18,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:54:18,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:54:18,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:54:18,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:54:18,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:54:18,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:54:18,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:54:18,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:54:18,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:54:18,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:54:18,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:54:18,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:18,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:54:18,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:54:18,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:54:18,318 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:54:18,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:18,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:54:18,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:54:18,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:54:18,320 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2022-11-03 01:54:18,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:54:18,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:54:18,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:54:18,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:54:18,793 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:54:18,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-11-03 01:54:18,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/52150c948/573190844bdf4f2b9d897fb2c5157a37/FLAGd4a451573 [2022-11-03 01:54:19,468 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:54:19,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-11-03 01:54:19,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/52150c948/573190844bdf4f2b9d897fb2c5157a37/FLAGd4a451573 [2022-11-03 01:54:19,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/data/52150c948/573190844bdf4f2b9d897fb2c5157a37 [2022-11-03 01:54:19,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:54:19,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:54:19,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:19,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:54:19,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:54:19,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:19" (1/1) ... [2022-11-03 01:54:19,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd87f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:19, skipping insertion in model container [2022-11-03 01:54:19,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:19" (1/1) ... [2022-11-03 01:54:19,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:54:19,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:54:20,215 WARN L230 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_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-11-03 01:54:20,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:20,311 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:54:20,362 WARN L230 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_a150acc5-da78-42c6-be25-e73c976549b3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-11-03 01:54:20,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:20,385 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:54:20,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20 WrapperNode [2022-11-03 01:54:20,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:20,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:20,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:54:20,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:54:20,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,438 INFO L138 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-11-03 01:54:20,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:20,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:54:20,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:54:20,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:54:20,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:54:20,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:54:20,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:54:20,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:54:20,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (1/1) ... [2022-11-03 01:54:20,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:20,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:20,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:54:20,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:54:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:54:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-03 01:54:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-03 01:54:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:54:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:54:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:54:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:54:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:54:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:54:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:54:20,718 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:54:20,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:54:22,272 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:22,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:22,281 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 01:54:22,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:22 BoogieIcfgContainer [2022-11-03 01:54:22,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:22,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:22,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:22,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:22,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:54:19" (1/3) ... [2022-11-03 01:54:22,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462d0dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:22, skipping insertion in model container [2022-11-03 01:54:22,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:20" (2/3) ... [2022-11-03 01:54:22,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462d0dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:22, skipping insertion in model container [2022-11-03 01:54:22,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:22" (3/3) ... [2022-11-03 01:54:22,303 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2022-11-03 01:54:22,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:22,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:22,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:22,397 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4318a117, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:22,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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) [2022-11-03 01:54:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:54:22,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:22,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:22,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2022-11-03 01:54:22,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:22,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331934321] [2022-11-03 01:54:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:22,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:22,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:22,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:54:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:22,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 01:54:22,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:22,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:22,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:22,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331934321] [2022-11-03 01:54:22,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331934321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:22,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:22,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:54:22,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230847026] [2022-11-03 01:54:22,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:22,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:54:22,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:22,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:54:22,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:54:22,662 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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) [2022-11-03 01:54:22,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:22,682 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2022-11-03 01:54:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:54:22,684 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 [2022-11-03 01:54:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:22,693 INFO L225 Difference]: With dead ends: 74 [2022-11-03 01:54:22,693 INFO L226 Difference]: Without dead ends: 35 [2022-11-03 01:54:22,696 INFO L412 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 [2022-11-03 01:54:22,701 INFO L413 NwaCegarLoop]: 53 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, 53 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 [2022-11-03 01:54:22,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:54:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-03 01:54:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-03 01:54:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 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) [2022-11-03 01:54:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2022-11-03 01:54:22,746 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2022-11-03 01:54:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:22,746 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2022-11-03 01:54:22,747 INFO L496 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) [2022-11-03 01:54:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2022-11-03 01:54:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:54:22,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:22,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:22,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:22,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:22,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:22,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:22,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2022-11-03 01:54:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:22,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984126955] [2022-11-03 01:54:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:22,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:22,975 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:23,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:54:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:23,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:54:23,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:23,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:23,433 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:23,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984126955] [2022-11-03 01:54:23,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984126955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:23,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:23,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:54:23,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517095855] [2022-11-03 01:54:23,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:23,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:54:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:23,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:54:23,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:23,438 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-03 01:54:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:24,614 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2022-11-03 01:54:24,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:54:24,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-11-03 01:54:24,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:24,617 INFO L225 Difference]: With dead ends: 47 [2022-11-03 01:54:24,618 INFO L226 Difference]: Without dead ends: 31 [2022-11-03 01:54:24,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:54:24,620 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:24,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 22 Unchecked, 1.1s Time] [2022-11-03 01:54:24,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-03 01:54:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-03 01:54:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2022-11-03 01:54:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2022-11-03 01:54:24,638 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 12 [2022-11-03 01:54:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:24,639 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2022-11-03 01:54:24,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-03 01:54:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2022-11-03 01:54:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:54:24,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:24,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:24,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:24,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:24,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:24,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:24,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1803079892, now seen corresponding path program 1 times [2022-11-03 01:54:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:24,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683170284] [2022-11-03 01:54:24,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:24,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:24,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:24,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:24,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:54:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:24,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:54:24,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:25,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:25,150 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:25,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683170284] [2022-11-03 01:54:25,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683170284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:25,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:25,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:54:25,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852339817] [2022-11-03 01:54:25,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:25,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:54:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:25,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:54:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:25,172 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-03 01:54:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:25,869 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-11-03 01:54:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:54:25,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-11-03 01:54:25,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:25,871 INFO L225 Difference]: With dead ends: 43 [2022-11-03 01:54:25,871 INFO L226 Difference]: Without dead ends: 22 [2022-11-03 01:54:25,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:54:25,873 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:25,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 11 Unchecked, 0.7s Time] [2022-11-03 01:54:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-03 01:54:25,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-03 01:54:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2022-11-03 01:54:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-03 01:54:25,878 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 12 [2022-11-03 01:54:25,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:25,878 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-03 01:54:25,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-03 01:54:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-03 01:54:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:54:25,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:25,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:25,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-03 01:54:26,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:26,095 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:26,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2022-11-03 01:54:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:26,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975489993] [2022-11-03 01:54:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:26,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:26,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:26,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:54:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:26,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 01:54:26,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:26,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:26,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:26,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975489993] [2022-11-03 01:54:26,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975489993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:26,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:26,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331794496] [2022-11-03 01:54:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:26,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:54:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:54:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:26,583 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2022-11-03 01:54:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:26,688 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-11-03 01:54:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:54:26,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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 [2022-11-03 01:54:26,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:26,695 INFO L225 Difference]: With dead ends: 34 [2022-11-03 01:54:26,695 INFO L226 Difference]: Without dead ends: 22 [2022-11-03 01:54:26,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:26,697 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:26,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:54:26,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-03 01:54:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-03 01:54:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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) [2022-11-03 01:54:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-03 01:54:26,701 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 15 [2022-11-03 01:54:26,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:26,702 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-03 01:54:26,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2022-11-03 01:54:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-03 01:54:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 01:54:26,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:26,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:26,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:26,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:26,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2022-11-03 01:54:26,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:26,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885399232] [2022-11-03 01:54:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:26,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:26,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:26,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:26,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:54:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:27,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 01:54:27,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:27,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:27,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:27,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885399232] [2022-11-03 01:54:27,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885399232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:27,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:27,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:54:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798793841] [2022-11-03 01:54:27,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:27,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:54:27,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:54:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:54:27,291 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2022-11-03 01:54:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:27,641 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-11-03 01:54:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:54:27,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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 [2022-11-03 01:54:27,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:27,643 INFO L225 Difference]: With dead ends: 34 [2022-11-03 01:54:27,643 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 01:54:27,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:54:27,645 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 42 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:27,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 25 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:54:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 01:54:27,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-03 01:54:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 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) [2022-11-03 01:54:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2022-11-03 01:54:27,651 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2022-11-03 01:54:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:27,652 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2022-11-03 01:54:27,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2022-11-03 01:54:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2022-11-03 01:54:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:54:27,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:27,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:27,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:27,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:27,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:27,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2022-11-03 01:54:27,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:27,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071331562] [2022-11-03 01:54:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:27,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:27,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:27,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 01:54:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:28,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:54:28,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:28,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 15 [2022-11-03 01:54:28,421 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:54:28,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 25 [2022-11-03 01:54:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:28,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:28,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:28,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071331562] [2022-11-03 01:54:28,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071331562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:28,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:28,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:54:28,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14103686] [2022-11-03 01:54:28,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:28,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:54:28,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:28,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:54:28,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:54:28,652 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-03 01:54:28,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:28,765 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2022-11-03 01:54:28,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:54:28,765 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 20 [2022-11-03 01:54:28,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:28,766 INFO L225 Difference]: With dead ends: 21 [2022-11-03 01:54:28,766 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:54:28,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:54:28,767 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:28,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 26 Unchecked, 0.0s Time] [2022-11-03 01:54:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:54:28,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:54:28,769 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) [2022-11-03 01:54:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:54:28,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-03 01:54:28,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:28,769 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:54:28,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-03 01:54:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:54:28,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:54:28,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:54:28,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:28,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:28,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:54:29,272 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 67) no Hoare annotation was computed. [2022-11-03 01:54:29,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:54:29,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 01:54:29,272 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 71) no Hoare annotation was computed. [2022-11-03 01:54:29,273 INFO L895 garLoopResultBuilder]: At program point L78(lines 18 79) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (and (= .cse0 |ULTIMATE.start_floor_double_#res#1|) (= |ULTIMATE.start_floor_double_~i1~0#1| |ULTIMATE.start_floor_double_~i0~0#1|) (= .cse0 |ULTIMATE.start_floor_double_~x#1|) (= |ULTIMATE.start_floor_double_~i1~0#1| (_ bv0 32)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (exists ((|v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9|))) (let ((.cse2 (select .cse3 (_ bv4 32)))) (and (= (let ((.cse1 (concat .cse2 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_floor_double_#res#1|) (= .cse2 (_ bv0 32)))))) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-03 01:54:29,273 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 48) no Hoare annotation was computed. [2022-11-03 01:54:29,273 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2022-11-03 01:54:29,273 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_floor_double_~x#1|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L104-2(lines 104 107) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2022-11-03 01:54:29,274 INFO L895 garLoopResultBuilder]: At program point L72-1(lines 18 79) the Hoare annotation is: (and (= |ULTIMATE.start_floor_double_~i1~0#1| |ULTIMATE.start_floor_double_~i0~0#1|) (= (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_floor_double_~x#1|) (= |ULTIMATE.start_floor_double_~i1~0#1| (_ bv0 32)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-03 01:54:29,275 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 01:54:29,276 INFO L895 garLoopResultBuilder]: At program point L90(lines 81 91) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_floor_double_#res#1|) |ULTIMATE.start_main_#t~short10#1| (= |ULTIMATE.start_floor_double_~i1~0#1| |ULTIMATE.start_floor_double_~i0~0#1|) (= .cse0 |ULTIMATE.start_floor_double_~x#1|) (= |ULTIMATE.start_floor_double_~i1~0#1| (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-03 01:54:29,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2022-11-03 01:54:29,276 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 71) no Hoare annotation was computed. [2022-11-03 01:54:29,276 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 36) no Hoare annotation was computed. [2022-11-03 01:54:29,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:54:29,276 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 70) no Hoare annotation was computed. [2022-11-03 01:54:29,277 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2022-11-03 01:54:29,277 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 47) no Hoare annotation was computed. [2022-11-03 01:54:29,277 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 68) no Hoare annotation was computed. [2022-11-03 01:54:29,277 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2022-11-03 01:54:29,277 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2022-11-03 01:54:29,278 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (and (= .cse0 |ULTIMATE.start_floor_double_#res#1|) |ULTIMATE.start_main_#t~short10#1| (= |ULTIMATE.start_floor_double_~i1~0#1| |ULTIMATE.start_floor_double_~i0~0#1|) (= .cse0 |ULTIMATE.start_floor_double_~x#1|) (= |ULTIMATE.start_floor_double_~i1~0#1| (_ bv0 32)) (exists ((|v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9|))) (let ((.cse1 (select .cse3 (_ bv4 32)))) (and (= .cse1 (_ bv0 32)) (= (let ((.cse2 (concat .cse1 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start___signbit_double_~x#1|))))) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-03 01:54:29,278 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2022-11-03 01:54:29,278 INFO L902 garLoopResultBuilder]: At program point L109(lines 93 110) the Hoare annotation is: true [2022-11-03 01:54:29,278 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2022-11-03 01:54:29,278 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-03 01:54:29,283 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-03 01:54:29,286 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:54:29,299 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:54:29 BoogieIcfgContainer [2022-11-03 01:54:29,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:54:29,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:54:29,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:54:29,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:54:29,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:22" (3/4) ... [2022-11-03 01:54:29,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:54:29,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-03 01:54:29,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-03 01:54:29,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:54:29,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:54:29,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9 : bv32 :: ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] == 0bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 01:54:29,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && aux-res == 0.0 && __signbit_double(res) == 0-aux) && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] == 0bv32 && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 01:54:29,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && aux-res == 0.0 && __signbit_double(res) == 0-aux) && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && 0bv32 == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 01:54:29,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:54:29,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:54:29,447 INFO L158 Benchmark]: Toolchain (without parser) took 9586.75ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 29.7MB in the beginning and 67.4MB in the end (delta: -37.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,448 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:29,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.97ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 54.2MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.75ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 52.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,449 INFO L158 Benchmark]: Boogie Preprocessor took 56.65ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 50.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,450 INFO L158 Benchmark]: RCFGBuilder took 1786.49ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 34.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,450 INFO L158 Benchmark]: TraceAbstraction took 7067.10ms. Allocated memory is still 73.4MB. Free memory was 34.1MB in the beginning and 28.8MB in the end (delta: 5.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,451 INFO L158 Benchmark]: Witness Printer took 92.49ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 67.4MB in the end (delta: -38.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:54:29,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.97ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 54.2MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.75ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 52.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.65ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 50.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1786.49ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 34.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7067.10ms. Allocated memory is still 73.4MB. Free memory was 34.1MB in the beginning and 28.8MB in the end (delta: 5.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 92.49ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 67.4MB in the end (delta: -38.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 59 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 157 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 291 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 14 QuantifiedInterpolants, 613 SizeOfPredicates, 34 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant [2022-11-03 01:54:29,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((i1 == i0 && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 84]: Loop Invariant [2022-11-03 01:54:29,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && aux-res == 0.0 && __signbit_double(res) == 0-aux) && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] == 0bv32 && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 81]: Loop Invariant [2022-11-03 01:54:29,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && aux-res == 0.0 && __signbit_double(res) == 0-aux) && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && 0bv32 == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 18]: Loop Invariant [2022-11-03 01:54:29,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9,QUANTIFIED] [2022-11-03 01:54:29,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == \result && i1 == i0) && ~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x) && i1 == 0bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9 : bv32 :: ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_9][4bv32] == 0bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant [2022-11-03 01:54:29,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 01:54:29,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp~LONGDOUBLE((0bv32 ++ 0bv32)[63:63], (0bv32 ++ 0bv32)[62:52], (0bv32 ++ 0bv32)[51:0]) == x && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-03 01:54:29,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a150acc5-da78-42c6-be25-e73c976549b3/bin/utaipan-7li7fVZpFI/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 Writing output log to file Ultimate.log Result: TRUE