./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:23:53,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:23:54,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:23:54,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:23:54,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:23:54,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:23:54,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:23:54,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:23:54,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:23:54,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:23:54,094 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:23:54,094 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:23:54,095 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:23:54,095 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:23:54,095 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:23:54,095 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:23:54,095 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:23:54,096 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:23:54,096 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:23:54,096 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:23:54,096 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:23:54,096 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:23:54,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:23:54,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:23:54,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:23:54,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:23:54,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:23:54,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:23:54,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:23:54,100 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 [2024-11-14 04:23:54,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:23:54,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:23:54,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:23:54,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:23:54,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:23:54,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c Unable to find full path for "g++" [2024-11-14 04:23:56,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:23:57,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:23:57,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2024-11-14 04:23:57,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/02aa592b1/63894931cd944a09aeb2d64ccfd123a5/FLAG0c5662d8a [2024-11-14 04:23:57,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/02aa592b1/63894931cd944a09aeb2d64ccfd123a5 [2024-11-14 04:23:57,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:23:57,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:23:57,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:23:57,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:23:57,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:23:57,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2396bf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57, skipping insertion in model container [2024-11-14 04:23:57,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:23:57,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2024-11-14 04:23:57,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:23:57,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:23:57,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2024-11-14 04:23:57,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:23:57,739 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:23:57,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57 WrapperNode [2024-11-14 04:23:57,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:23:57,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:23:57,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:23:57,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:23:57,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,793 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2024-11-14 04:23:57,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:23:57,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:23:57,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:23:57,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:23:57,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:23:57,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:23:57,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:23:57,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:23:57,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (1/1) ... [2024-11-14 04:23:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:23:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:57,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:23:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:23:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:23:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:23:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:23:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:23:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:23:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:23:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:23:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:23:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:23:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:23:58,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:23:58,101 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:23:58,506 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-14 04:23:58,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:23:58,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:23:58,758 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-14 04:23:58,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:58 BoogieIcfgContainer [2024-11-14 04:23:58,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:23:58,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:23:58,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:23:58,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:23:58,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:23:57" (1/3) ... [2024-11-14 04:23:58,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:58, skipping insertion in model container [2024-11-14 04:23:58,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:57" (2/3) ... [2024-11-14 04:23:58,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:58, skipping insertion in model container [2024-11-14 04:23:58,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:58" (3/3) ... [2024-11-14 04:23:58,779 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2024-11-14 04:23:58,805 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:23:58,806 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0740.c that has 1 procedures, 22 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 04:23:58,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:23:58,917 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71cb5d89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:23:58,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:23:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.65) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:23:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:23:58,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:58,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:58,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:23:58,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1468507242, now seen corresponding path program 1 times [2024-11-14 04:23:58,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:58,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449137080] [2024-11-14 04:23:58,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:23:59,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:59,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449137080] [2024-11-14 04:23:59,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449137080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:59,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:23:59,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:23:59,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351942263] [2024-11-14 04:23:59,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:59,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:23:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:59,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:23:59,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:23:59,194 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.65) internal successors, (33), 21 states have internal predecessors, (33), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:23:59,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:59,253 INFO L93 Difference]: Finished difference Result 43 states and 65 transitions. [2024-11-14 04:23:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:23:59,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-14 04:23:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:59,271 INFO L225 Difference]: With dead ends: 43 [2024-11-14 04:23:59,272 INFO L226 Difference]: Without dead ends: 20 [2024-11-14 04:23:59,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:23:59,281 INFO L432 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:59,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:23:59,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-14 04:23:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-14 04:23:59,322 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) [2024-11-14 04:23:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-14 04:23:59,331 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 7 [2024-11-14 04:23:59,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:59,331 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-14 04:23:59,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:23:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-14 04:23:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:23:59,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:59,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:59,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:23:59,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:23:59,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:59,335 INFO L85 PathProgramCache]: Analyzing trace with hash 541082493, now seen corresponding path program 1 times [2024-11-14 04:23:59,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:59,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430582423] [2024-11-14 04:23:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:23:59,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:23:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:23:59,486 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:23:59,487 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:23:59,488 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:23:59,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:23:59,495 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:23:59,518 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:23:59,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:23:59 BoogieIcfgContainer [2024-11-14 04:23:59,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:23:59,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:23:59,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:23:59,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:23:59,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:58" (3/4) ... [2024-11-14 04:23:59,533 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:23:59,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:23:59,537 INFO L158 Benchmark]: Toolchain (without parser) took 2210.07ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 69.1MB in the end (delta: 61.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 04:23:59,537 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:23:59,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.46ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 118.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:23:59,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.29ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 117.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:23:59,538 INFO L158 Benchmark]: Boogie Preprocessor took 55.40ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:23:59,539 INFO L158 Benchmark]: RCFGBuilder took 905.39ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 92.8MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:23:59,539 INFO L158 Benchmark]: TraceAbstraction took 763.73ms. Allocated memory is still 167.8MB. Free memory was 92.2MB in the beginning and 69.4MB in the end (delta: 22.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:23:59,540 INFO L158 Benchmark]: Witness Printer took 6.70ms. Allocated memory is still 167.8MB. Free memory was 69.4MB in the beginning and 69.1MB in the end (delta: 303.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:23:59,542 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.46ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 118.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.29ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 117.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.40ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 905.39ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 92.8MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 763.73ms. Allocated memory is still 167.8MB. Free memory was 92.2MB in the beginning and 69.4MB in the end (delta: 22.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.70ms. Allocated memory is still 167.8MB. Free memory was 69.4MB in the beginning and 69.1MB in the end (delta: 303.3kB). 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: 99]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L93] float x = -1.0f / 0.0f; [L95] CALL, EXPR __ieee754_sqrtf(x) [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (ix) = gf_u.word [L29] hx = ix & 0x7fffffff VAL [hx=2147483647, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450951] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450951] [L95] RET, EXPR __ieee754_sqrtf(x) [L95] float res = __ieee754_sqrtf(x); [L98] CALL, EXPR isnan_float(res) [L15] return x != x; [L98] RET, EXPR isnan_float(res) [L98] COND TRUE !isnan_float(res) [L99] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:23:59,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:24:03,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:24:03,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:24:03,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:24:03,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:24:03,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:24:03,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:24:03,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:24:03,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:24:03,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:24:03,443 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:24:03,443 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:24:03,443 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:24:03,443 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:24:03,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:24:03,444 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:24:03,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:24:03,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:24:03,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:24:03,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:24:03,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:24:03,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:24:03,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:24:03,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:24:03,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:24:03,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:24:03,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:24:03,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:24:03,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:24:03,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:24:03,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:03,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:24:03,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:24:03,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:24:03,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:24:03,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:24:03,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:24:03,449 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:24:03,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 [2024-11-14 04:24:03,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:24:03,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:24:03,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:24:03,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:24:03,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:24:03,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c Unable to find full path for "g++" [2024-11-14 04:24:06,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:24:06,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:24:06,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2024-11-14 04:24:06,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/e9b24dd77/be9d898a9e324f11b44d015d5ce3d6a5/FLAGfdabd7129 [2024-11-14 04:24:06,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/data/e9b24dd77/be9d898a9e324f11b44d015d5ce3d6a5 [2024-11-14 04:24:06,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:24:06,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:24:06,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:06,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:24:06,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:24:06,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373953c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06, skipping insertion in model container [2024-11-14 04:24:06,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:24:07,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2024-11-14 04:24:07,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:07,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:24:07,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2024-11-14 04:24:07,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:07,373 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:24:07,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07 WrapperNode [2024-11-14 04:24:07,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:07,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:07,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:24:07,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:24:07,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,448 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2024-11-14 04:24:07,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:07,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:24:07,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:24:07,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:24:07,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:24:07,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:24:07,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:24:07,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:24:07,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (1/1) ... [2024-11-14 04:24:07,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:07,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:07,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:24:07,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:24:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:24:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:24:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:24:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:24:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:24:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:24:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:24:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:24:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:24:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:24:07,757 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:24:07,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:24:09,636 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-14 04:24:09,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:24:09,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:24:09,652 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-14 04:24:09,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:09 BoogieIcfgContainer [2024-11-14 04:24:09,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:24:09,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:24:09,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:24:09,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:24:09,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:24:06" (1/3) ... [2024-11-14 04:24:09,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f529601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:09, skipping insertion in model container [2024-11-14 04:24:09,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:07" (2/3) ... [2024-11-14 04:24:09,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f529601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:09, skipping insertion in model container [2024-11-14 04:24:09,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:09" (3/3) ... [2024-11-14 04:24:09,668 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2024-11-14 04:24:09,692 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:24:09,694 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0740.c that has 1 procedures, 32 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 04:24:09,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:24:09,798 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46a95630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:24:09,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:24:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:24:09,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:09,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:09,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:09,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1474022607, now seen corresponding path program 1 times [2024-11-14 04:24:09,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:09,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466724116] [2024-11-14 04:24:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:09,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:09,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:24:09,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:24:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:10,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:24:10,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:10,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:10,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:10,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466724116] [2024-11-14 04:24:10,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466724116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:10,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:10,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426891047] [2024-11-14 04:24:10,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:10,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:24:10,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:24:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:24:10,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:24:10,187 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 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) [2024-11-14 04:24:10,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:10,210 INFO L93 Difference]: Finished difference Result 62 states and 96 transitions. [2024-11-14 04:24:10,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:24:10,213 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 [2024-11-14 04:24:10,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:10,223 INFO L225 Difference]: With dead ends: 62 [2024-11-14 04:24:10,224 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 04:24:10,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:24:10,232 INFO L432 NwaCegarLoop]: 42 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, 42 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:10,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 04:24:10,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-14 04:24:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2024-11-14 04:24:10,284 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2024-11-14 04:24:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:10,284 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2024-11-14 04:24:10,285 INFO L472 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) [2024-11-14 04:24:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-14 04:24:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:24:10,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:10,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:10,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:24:10,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:10,489 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:10,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:10,490 INFO L85 PathProgramCache]: Analyzing trace with hash 567406124, now seen corresponding path program 1 times [2024-11-14 04:24:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:10,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135819740] [2024-11-14 04:24:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:10,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:10,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:24:10,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:24:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:10,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:24:10,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:11,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:11,113 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135819740] [2024-11-14 04:24:11,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135819740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:11,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:24:11,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366377379] [2024-11-14 04:24:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:11,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:24:11,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:24:11,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:24:11,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:11,118 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:12,158 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2024-11-14 04:24:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:24:12,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-14 04:24:12,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:12,161 INFO L225 Difference]: With dead ends: 35 [2024-11-14 04:24:12,161 INFO L226 Difference]: Without dead ends: 30 [2024-11-14 04:24:12,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:24:12,164 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 63 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:12,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 122 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:24:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-14 04:24:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-14 04:24:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-11-14 04:24:12,173 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 10 [2024-11-14 04:24:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:12,173 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-14 04:24:12,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-14 04:24:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:24:12,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:12,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:12,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:24:12,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:12,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:12,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:12,378 INFO L85 PathProgramCache]: Analyzing trace with hash 389340814, now seen corresponding path program 1 times [2024-11-14 04:24:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42752100] [2024-11-14 04:24:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:12,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:12,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:12,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:24:12,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:24:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:12,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:24:12,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:12,955 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:12,955 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:12,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42752100] [2024-11-14 04:24:12,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42752100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:12,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:12,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:24:12,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089919501] [2024-11-14 04:24:12,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:12,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:12,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:24:12,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:12,959 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:13,214 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2024-11-14 04:24:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:13,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 04:24:13,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:13,215 INFO L225 Difference]: With dead ends: 29 [2024-11-14 04:24:13,215 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:24:13,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:13,217 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 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 [2024-11-14 04:24:13,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:24:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:24:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:24:13,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-14 04:24:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:13,221 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:24:13,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:24:13,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:24:13,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:24:13,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:24:13,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:13,436 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 04:24:13,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:24:13,552 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:24:13,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 04:24:13,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 04:24:13,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 04:24:13,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:24:13 BoogieIcfgContainer [2024-11-14 04:24:13,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:24:13,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:24:13,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:24:13,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:24:13,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:09" (3/4) ... [2024-11-14 04:24:13,582 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:24:13,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-14 04:24:13,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 04:24:13,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:24:13,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:24:13,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:24:13,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:24:13,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:24:13,752 INFO L158 Benchmark]: Toolchain (without parser) took 6873.40ms. Allocated memory is still 117.4MB. Free memory was 95.2MB in the beginning and 66.0MB in the end (delta: 29.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-14 04:24:13,752 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:24:13,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.47ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 82.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:24:13,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.95ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:24:13,758 INFO L158 Benchmark]: Boogie Preprocessor took 56.65ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:24:13,759 INFO L158 Benchmark]: RCFGBuilder took 2146.00ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 64.8MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:24:13,759 INFO L158 Benchmark]: TraceAbstraction took 3920.69ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 70.9MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:24:13,760 INFO L158 Benchmark]: Witness Printer took 172.91ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 66.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:24:13,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.47ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 82.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.95ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.65ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2146.00ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 64.8MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3920.69ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 70.9MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 172.91ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 66.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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: 99]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 76 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 168 SizeOfPredicates, 6 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-14 04:24:13,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a283ed-0226-433b-8143-d22bebe30506/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE