./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:45,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:45,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:55:45,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:45,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:45,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:45,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:45,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:45,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:45,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:45,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:45,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:45,988 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:45,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:45,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:55:45,991 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:45,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:55:45,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:45,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:45,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:55:45,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:45,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:55:45,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:45,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:55:45,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:45,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:45,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:45,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:45,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:45,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:45,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:46,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:55:46,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:55:46,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:55:46,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:46,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:55:46,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:46,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:46,003 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:46,003 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b [2023-11-06 22:55:46,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:46,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:46,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:46,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:46,353 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:46,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2023-11-06 22:55:49,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:49,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:49,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2023-11-06 22:55:49,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/b211381c2/988601bfc1ce4d54a0e71a32f8621907/FLAG1c1c7796d [2023-11-06 22:55:49,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/b211381c2/988601bfc1ce4d54a0e71a32f8621907 [2023-11-06 22:55:49,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:49,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:49,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:49,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:49,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:49,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:49,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f0f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49, skipping insertion in model container [2023-11-06 22:55:49,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:49,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:49,948 WARN L240 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_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2023-11-06 22:55:49,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:49,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:49,982 WARN L240 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_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2023-11-06 22:55:49,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:49,999 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:49,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49 WrapperNode [2023-11-06 22:55:50,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:50,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:50,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:50,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:50,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,038 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-06 22:55:50,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:50,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:50,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:50,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:50,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:50,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:50,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:50,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:50,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (1/1) ... [2023-11-06 22:55:50,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:50,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:50,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:50,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:55:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:55:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:55:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:55:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:55:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:50,217 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:50,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:50,360 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:50,365 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:50,366 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:55:50,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:50 BoogieIcfgContainer [2023-11-06 22:55:50,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:50,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:50,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:50,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:50,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:49" (1/3) ... [2023-11-06 22:55:50,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29478e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:50, skipping insertion in model container [2023-11-06 22:55:50,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:49" (2/3) ... [2023-11-06 22:55:50,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29478e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:50, skipping insertion in model container [2023-11-06 22:55:50,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:50" (3/3) ... [2023-11-06 22:55:50,378 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c [2023-11-06 22:55:50,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:50,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:55:50,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:50,468 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4851cc32, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:50,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:55:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 22:55:50,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:50,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:50,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:50,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:50,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1641238961, now seen corresponding path program 1 times [2023-11-06 22:55:50,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:50,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979441238] [2023-11-06 22:55:50,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:50,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:50,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979441238] [2023-11-06 22:55:50,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979441238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:50,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:50,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:50,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444896585] [2023-11-06 22:55:50,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:50,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:55:50,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:50,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:55:50,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:50,730 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-11-06 22:55:50,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:50,753 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2023-11-06 22:55:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:55:50,755 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 [2023-11-06 22:55:50,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:50,768 INFO L225 Difference]: With dead ends: 28 [2023-11-06 22:55:50,769 INFO L226 Difference]: Without dead ends: 12 [2023-11-06 22:55:50,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:50,779 INFO L413 NwaCegarLoop]: 14 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, 14 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 [2023-11-06 22:55:50,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-06 22:55:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-06 22:55:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 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) [2023-11-06 22:55:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2023-11-06 22:55:50,816 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 9 [2023-11-06 22:55:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:50,817 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2023-11-06 22:55:50,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-06 22:55:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:55:50,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:50,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:50,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:55:50,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:50,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:50,822 INFO L85 PathProgramCache]: Analyzing trace with hash 558246130, now seen corresponding path program 1 times [2023-11-06 22:55:50,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685115590] [2023-11-06 22:55:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:50,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:55:50,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:55:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:55:50,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:55:50,969 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:55:50,972 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:55:50,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:55:50,978 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:55:50,982 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:55:51,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:55:51 BoogieIcfgContainer [2023-11-06 22:55:51,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:55:51,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:55:51,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:55:51,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:55:51,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:50" (3/4) ... [2023-11-06 22:55:51,013 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:55:51,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:55:51,015 INFO L158 Benchmark]: Toolchain (without parser) took 1321.88ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 88.2MB in the beginning and 146.8MB in the end (delta: -58.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,016 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:51,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.97ms. Allocated memory is still 125.8MB. Free memory was 88.2MB in the beginning and 77.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.26ms. Allocated memory is still 125.8MB. Free memory was 77.4MB in the beginning and 76.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,017 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 74.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:51,018 INFO L158 Benchmark]: RCFGBuilder took 302.62ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 64.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,019 INFO L158 Benchmark]: TraceAbstraction took 638.77ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 63.5MB in the beginning and 147.7MB in the end (delta: -84.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:51,019 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 186.6MB. Free memory was 147.7MB in the beginning and 146.8MB in the end (delta: 918.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:51,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.97ms. Allocated memory is still 125.8MB. Free memory was 88.2MB in the beginning and 77.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.26ms. Allocated memory is still 125.8MB. Free memory was 77.4MB in the beginning and 76.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 74.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.62ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 64.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 638.77ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 63.5MB in the beginning and 147.7MB in the end (delta: -84.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 186.6MB. Free memory was 147.7MB in the beginning and 146.8MB in the end (delta: 918.9kB). 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: 42]: 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 14, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L37] float x = 0.0f / 0.0f; [L38] CALL, EXPR fabs_float(x) [L17] __uint32_t ix; VAL [\old(x)=60, x=60] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (ix) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=60, ix=7, x=60] [L24] ieee_float_shape_type sf_u; [L25] EXPR sf_u.word = (ix & 0x7fffffff) [L26] EXPR sf_u.value [L26] EXPR (x) = sf_u.value [L23-L27] { ieee_float_shape_type sf_u; sf_u.word = (ix & 0x7fffffff); (x) = sf_u.value; } VAL [\old(x)=60, ix=7, x=59] [L28] return x; VAL [\old(x)=60, \result=59, ix=7, x=59] [L38] RET, EXPR fabs_float(x) [L38] float res = fabs_float(x); [L41] CALL, EXPR isnan_float(res) [L14] return x != x; VAL [\old(x)=59, \result=0, x=59] [L41] RET, EXPR isnan_float(res) [L41] COND TRUE !isnan_float(res) [L42] reach_error() VAL [res=59, x=60] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 0 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=15occurred 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, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:55:51,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:53,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:53,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:55:53,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:53,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:53,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:53,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:53,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:53,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:53,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:53,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:53,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:53,910 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:53,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:53,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:55:53,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:53,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:53,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:53,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:55:53,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:53,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:55:53,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:55:53,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:55:53,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:55:53,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:53,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:55:53,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:53,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:53,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:53,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:53,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:53,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:53,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:53,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:55:53,927 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:55:53,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:55:53,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:53,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:55:53,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:53,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:53,929 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:55:53,930 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:53,930 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b [2023-11-06 22:55:54,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:54,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:54,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:54,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:54,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:54,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2023-11-06 22:55:57,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:57,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:57,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2023-11-06 22:55:57,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/09987beb6/d4199c564b8a42b390a39c3668d857e5/FLAG37c7782c3 [2023-11-06 22:55:57,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/data/09987beb6/d4199c564b8a42b390a39c3668d857e5 [2023-11-06 22:55:57,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:57,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:57,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:57,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:57,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:57,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:57" (1/1) ... [2023-11-06 22:55:57,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642b2ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:57, skipping insertion in model container [2023-11-06 22:55:57,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:57" (1/1) ... [2023-11-06 22:55:57,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:58,022 WARN L240 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_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2023-11-06 22:55:58,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:58,045 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:58,070 WARN L240 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_05d3acc9-f6ee-4160-87d9-e5da6023d709/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2023-11-06 22:55:58,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:58,095 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:58,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58 WrapperNode [2023-11-06 22:55:58,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:58,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:58,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:58,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:58,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,152 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-06 22:55:58,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:58,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:58,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:58,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:58,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:58,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:58,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:58,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:58,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:58,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:58,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:58,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:55:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 22:55:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:55:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 22:55:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:55:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:58,420 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:58,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:58,647 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:58,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:58,653 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:55:58,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:58 BoogieIcfgContainer [2023-11-06 22:55:58,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:58,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:58,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:58,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:58,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:57" (1/3) ... [2023-11-06 22:55:58,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee4490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:58, skipping insertion in model container [2023-11-06 22:55:58,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58" (2/3) ... [2023-11-06 22:55:58,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee4490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:58, skipping insertion in model container [2023-11-06 22:55:58,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:58" (3/3) ... [2023-11-06 22:55:58,665 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c [2023-11-06 22:55:58,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:58,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:55:58,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:58,754 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@de51d9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:58,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:55:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 22:55:58,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:58,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:58,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:58,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1641238961, now seen corresponding path program 1 times [2023-11-06 22:55:58,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:55:58,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797767496] [2023-11-06 22:55:58,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:58,788 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 [2023-11-06 22:55:58,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:55:58,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:55:58,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:55:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:59,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:55:59,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:59,037 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:55:59,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:55:59,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797767496] [2023-11-06 22:55:59,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797767496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:59,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128695804] [2023-11-06 22:55:59,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:59,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:55:59,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:55:59,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:55:59,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:59,090 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-11-06 22:55:59,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:59,105 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2023-11-06 22:55:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:55:59,107 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 [2023-11-06 22:55:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:59,115 INFO L225 Difference]: With dead ends: 28 [2023-11-06 22:55:59,115 INFO L226 Difference]: Without dead ends: 12 [2023-11-06 22:55:59,118 INFO L412 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 [2023-11-06 22:55:59,122 INFO L413 NwaCegarLoop]: 14 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, 14 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 [2023-11-06 22:55:59,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:59,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-06 22:55:59,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-06 22:55:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 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) [2023-11-06 22:55:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2023-11-06 22:55:59,154 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 9 [2023-11-06 22:55:59,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:59,154 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2023-11-06 22:55:59,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:55:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-06 22:55:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:55:59,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:59,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:59,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:59,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:55:59,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:59,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash 558246130, now seen corresponding path program 1 times [2023-11-06 22:55:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:55:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179443388] [2023-11-06 22:55:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:59,363 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 [2023-11-06 22:55:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:55:59,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:55:59,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:55:59,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 139 [2023-11-06 22:55:59,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 22:55:59,473 INFO L158 Benchmark]: Toolchain (without parser) took 1694.75ms. Allocated memory is still 115.3MB. Free memory was 91.3MB in the beginning and 78.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-06 22:55:59,475 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:59,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.83ms. Allocated memory is still 115.3MB. Free memory was 91.3MB in the beginning and 80.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:59,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.28ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:59,478 INFO L158 Benchmark]: Boogie Preprocessor took 60.00ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:59,479 INFO L158 Benchmark]: RCFGBuilder took 440.55ms. Allocated memory is still 115.3MB. Free memory was 77.0MB in the beginning and 66.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:59,480 INFO L158 Benchmark]: TraceAbstraction took 814.47ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 78.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:59,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.83ms. Allocated memory is still 115.3MB. Free memory was 91.3MB in the beginning and 80.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.28ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.00ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.55ms. Allocated memory is still 115.3MB. Free memory was 77.0MB in the beginning and 66.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 814.47ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 78.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:55:59,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d3acc9-f6ee-4160-87d9-e5da6023d709/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.