./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ec260cb84d051ded8af47768b754d2a933d99ce3d516511a560eef2f740c5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:52,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:52,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:01:52,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:52,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:52,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:52,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:52,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:52,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:52,540 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:52,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:52,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:52,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:52,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:52,544 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:52,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:52,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:52,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:01:52,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:01:52,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:01:52,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:52,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:52,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:52,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:52,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:01:52,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:52,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:52,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:52,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:52,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:52,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:52,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:52,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:52,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:52,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:52,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:01:52,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:01:52,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:52,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:52,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:52,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:52,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:52,558 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ec260cb84d051ded8af47768b754d2a933d99ce3d516511a560eef2f740c5a [2023-11-21 21:01:52,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:52,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:52,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:52,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:52,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:52,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2023-11-21 21:01:56,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:01:56,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:01:56,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2023-11-21 21:01:56,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/09f03d7c1/d3780dd91bb645d8ad07c67ecf9b0581/FLAG079414c70 [2023-11-21 21:01:56,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/09f03d7c1/d3780dd91bb645d8ad07c67ecf9b0581 [2023-11-21 21:01:56,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:01:56,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:01:56,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:56,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:01:56,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:01:56,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ac13a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56, skipping insertion in model container [2023-11-21 21:01:56,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:01:56,663 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c[3196,3209] [2023-11-21 21:01:56,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:56,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:01:56,751 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c[3196,3209] [2023-11-21 21:01:56,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:56,776 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:01:56,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56 WrapperNode [2023-11-21 21:01:56,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:56,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:56,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:01:56,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:01:56,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,846 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-11-21 21:01:56,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:56,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:01:56,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:01:56,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:01:56,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,888 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,906 INFO L187 HeapSplitter]: Split 44 memory accesses to 7 slices as follows [2, 7, 2, 2, 7, 22, 2] [2023-11-21 21:01:56,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:01:56,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:01:56,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:01:56,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:01:56,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (1/1) ... [2023-11-21 21:01:56,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:56,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:01:56,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:01:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:01:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:01:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:01:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:01:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:01:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:01:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:01:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:01:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:01:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 21:01:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 21:01:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 21:01:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 21:01:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 21:01:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-21 21:01:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-21 21:01:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:01:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:01:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:01:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:01:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:01:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:01:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:01:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 21:01:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 21:01:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 21:01:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 21:01:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 21:01:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-21 21:01:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-21 21:01:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:01:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:01:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:01:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:01:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:01:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:01:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:01:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:01:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 21:01:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 21:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-21 21:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-21 21:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-21 21:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-21 21:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-21 21:01:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:01:57,189 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:01:57,192 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:01:57,430 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:57,548 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:57,548 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 21:01:57,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:57 BoogieIcfgContainer [2023-11-21 21:01:57,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:57,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:57,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:57,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:57,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:01:56" (1/3) ... [2023-11-21 21:01:57,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62255ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:57, skipping insertion in model container [2023-11-21 21:01:57,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:56" (2/3) ... [2023-11-21 21:01:57,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62255ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:57, skipping insertion in model container [2023-11-21 21:01:57,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:57" (3/3) ... [2023-11-21 21:01:57,561 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a.c [2023-11-21 21:01:57,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:57,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:01:57,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:57,629 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=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;@21114d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:57,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:01:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 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) [2023-11-21 21:01:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 21:01:57,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:57,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:57,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:57,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash 86257238, now seen corresponding path program 1 times [2023-11-21 21:01:57,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:57,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953652920] [2023-11-21 21:01:57,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:57,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:57,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953652920] [2023-11-21 21:01:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953652920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:57,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:57,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:01:57,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971323083] [2023-11-21 21:01:57,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:57,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:01:57,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:57,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:01:57,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:01:57,888 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 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) [2023-11-21 21:01:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:57,942 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2023-11-21 21:01:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:01:57,945 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 [2023-11-21 21:01:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:57,953 INFO L225 Difference]: With dead ends: 41 [2023-11-21 21:01:57,953 INFO L226 Difference]: Without dead ends: 19 [2023-11-21 21:01:57,956 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 [2023-11-21 21:01:57,960 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:57,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 21:01:57,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-21 21:01:57,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-21 21:01:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2023-11-21 21:01:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2023-11-21 21:01:58,008 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2023-11-21 21:01:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:58,008 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-21 21:01:58,009 INFO L496 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) [2023-11-21 21:01:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 21:01:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 21:01:58,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:58,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:58,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:01:58,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:58,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:58,011 INFO L85 PathProgramCache]: Analyzing trace with hash 514271847, now seen corresponding path program 1 times [2023-11-21 21:01:58,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:58,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300732754] [2023-11-21 21:01:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:58,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:01:58,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:01:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:01:58,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:01:58,228 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:01:58,230 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:01:58,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:01:58,237 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 21:01:58,241 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:01:58,270 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-21 21:01:58,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-21 21:01:58,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-21 21:01:58,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-21 21:01:58,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:01:58 BoogieIcfgContainer [2023-11-21 21:01:58,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:01:58,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:01:58,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:01:58,286 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:01:58,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:57" (3/4) ... [2023-11-21 21:01:58,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:01:58,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:01:58,294 INFO L158 Benchmark]: Toolchain (without parser) took 1943.87ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 102.0MB in the beginning and 126.6MB in the end (delta: -24.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,295 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:58,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.70ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 89.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.60ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,301 INFO L158 Benchmark]: Boogie Preprocessor took 107.18ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,302 INFO L158 Benchmark]: RCFGBuilder took 594.89ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 83.5MB in the beginning and 158.4MB in the end (delta: -74.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,303 INFO L158 Benchmark]: TraceAbstraction took 732.14ms. Allocated memory is still 201.3MB. Free memory was 158.4MB in the beginning and 126.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 21:01:58,303 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 126.6MB in the end (delta: 360.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:58,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.70ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 89.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.60ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.18ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.89ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 83.5MB in the beginning and 158.4MB in the end (delta: -74.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 732.14ms. Allocated memory is still 201.3MB. Free memory was 158.4MB in the beginning and 126.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 126.6MB in the end (delta: 360.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 133]: 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 132, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L129] float x = 1.0f / 0.0f; [L130] CALL, EXPR atan_float(x) [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [\old(x)=1000000000000000000000000000004, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000004] [L63] ieee_float_shape_type gf_u; [L64] EXPR gf_u.value = (x) [L65] EXPR gf_u.word [L65] EXPR (hx) = gf_u.word [L62-L66] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=1000000000000000000000000000004, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000004] [L67] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000004, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-8388607, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000004] [L68] COND TRUE ix >= 0x50800000 [L69] COND TRUE ((ix) > 0x7f800000L) [L70] return x + x; VAL [\old(x)=1000000000000000000000000000004, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-8388607, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000004] [L130] RET, EXPR atan_float(x) [L130] float res = atan_float(x); [L132] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, x=1000000000000000000000000000004] [L133] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, x=1000000000000000000000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 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, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 5 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=21occurred 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 [2023-11-21 21:01:58,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ec260cb84d051ded8af47768b754d2a933d99ce3d516511a560eef2f740c5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:01,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:01,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 21:02:01,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:01,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:01,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:01,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:01,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:01,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:01,184 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:01,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:01,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:01,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:01,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:01,187 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:01,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:01,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:01,189 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:01,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:01,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:01,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:01,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:01,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:01,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:02:01,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 21:02:01,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 21:02:01,194 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:01,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:01,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:01,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:01,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:01,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:01,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:01,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:01,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:01,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:01,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:01,198 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 21:02:01,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 21:02:01,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:01,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:01,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:01,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:01,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:01,200 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 21:02:01,200 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ec260cb84d051ded8af47768b754d2a933d99ce3d516511a560eef2f740c5a [2023-11-21 21:02:01,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:01,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:01,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:01,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:01,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:01,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2023-11-21 21:02:04,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:05,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:05,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2023-11-21 21:02:05,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/958c9f959/6acbb0b59f074505bbf60c664a306043/FLAGf3bfed7a6 [2023-11-21 21:02:05,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/data/958c9f959/6acbb0b59f074505bbf60c664a306043 [2023-11-21 21:02:05,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:05,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:05,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:05,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:05,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:05,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adb5529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05, skipping insertion in model container [2023-11-21 21:02:05,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:05,457 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c[3196,3209] [2023-11-21 21:02:05,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:05,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:05,553 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_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c[3196,3209] [2023-11-21 21:02:05,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:05,580 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:05,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05 WrapperNode [2023-11-21 21:02:05,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:05,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:05,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:05,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:05,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,685 INFO L138 Inliner]: procedures = 22, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2023-11-21 21:02:05,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:05,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:05,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:05,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:05,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,711 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,726 INFO L187 HeapSplitter]: Split 44 memory accesses to 7 slices as follows [2, 2, 7, 7, 22, 2, 2] [2023-11-21 21:02:05,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:05,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:05,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:05,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:05,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:05,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:05,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:05,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-21 21:02:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-21 21:02:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-21 21:02:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-21 21:02:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-21 21:02:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-21 21:02:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-21 21:02:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 21:02:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 21:02:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-21 21:02:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-21 21:02:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-21 21:02:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-21 21:02:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-21 21:02:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-21 21:02:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-21 21:02:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-21 21:02:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-21 21:02:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-21 21:02:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-21 21:02:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-21 21:02:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 21:02:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 21:02:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-21 21:02:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-21 21:02:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-21 21:02:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-21 21:02:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-21 21:02:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-21 21:02:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-21 21:02:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-21 21:02:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-21 21:02:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-21 21:02:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-21 21:02:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-21 21:02:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 21:02:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 21:02:05,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-21 21:02:05,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-21 21:02:05,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-21 21:02:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-21 21:02:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-21 21:02:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:06,021 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:06,024 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:18,129 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:18,288 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:18,288 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 21:02:18,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:18 BoogieIcfgContainer [2023-11-21 21:02:18,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:18,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:18,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:18,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:18,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:05" (1/3) ... [2023-11-21 21:02:18,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3399c878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:18, skipping insertion in model container [2023-11-21 21:02:18,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (2/3) ... [2023-11-21 21:02:18,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3399c878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:18, skipping insertion in model container [2023-11-21 21:02:18,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:18" (3/3) ... [2023-11-21 21:02:18,302 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a.c [2023-11-21 21:02:18,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:18,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:02:18,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:18,402 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=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;@7cce0197, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:18,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:02:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 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) [2023-11-21 21:02:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 21:02:18,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:18,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:18,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:18,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:18,425 INFO L85 PathProgramCache]: Analyzing trace with hash 86257238, now seen corresponding path program 1 times [2023-11-21 21:02:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:02:18,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429633487] [2023-11-21 21:02:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:18,443 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 [2023-11-21 21:02:18,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:02:18,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:02:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:02:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:19,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 21:02:19,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:19,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:02:19,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:02:19,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429633487] [2023-11-21 21:02:19,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429633487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:19,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:19,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:19,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188488005] [2023-11-21 21:02:19,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:19,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:02:19,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:02:19,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:02:19,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:02:19,592 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 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) [2023-11-21 21:02:22,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:24,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:24,480 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2023-11-21 21:02:24,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:02:24,541 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 [2023-11-21 21:02:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:24,571 INFO L225 Difference]: With dead ends: 41 [2023-11-21 21:02:24,572 INFO L226 Difference]: Without dead ends: 19 [2023-11-21 21:02:24,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:02:24,583 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:24,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2023-11-21 21:02:24,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-21 21:02:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-21 21:02:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2023-11-21 21:02:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2023-11-21 21:02:24,633 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2023-11-21 21:02:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:24,635 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-21 21:02:24,636 INFO L496 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) [2023-11-21 21:02:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 21:02:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 21:02:24,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:24,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:24,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:02:24,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:02:24,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:24,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash 514271847, now seen corresponding path program 1 times [2023-11-21 21:02:24,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:02:24,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780973941] [2023-11-21 21:02:24,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:24,855 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 [2023-11-21 21:02:24,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:02:24,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:02:24,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:02:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:26,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 21:02:26,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:26,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:02:26,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-21 21:02:28,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 127 [2023-11-21 21:02:28,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 91 [2023-11-21 21:02:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:30,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:02:30,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:02:30,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780973941] [2023-11-21 21:02:30,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780973941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:30,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:30,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 21:02:30,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197339919] [2023-11-21 21:02:30,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:30,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:02:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:02:30,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:02:30,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:02:30,956 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-11-21 21:02:34,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:34,445 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2023-11-21 21:02:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 21:02:34,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2023-11-21 21:02:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:34,445 INFO L225 Difference]: With dead ends: 21 [2023-11-21 21:02:34,446 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:02:34,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-21 21:02:34,448 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:34,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 21:02:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:02:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:02:34,451 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) [2023-11-21 21:02:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:02:34,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-11-21 21:02:34,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:34,452 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:02:34,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-11-21 21:02:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:02:34,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:02:34,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:02:34,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:34,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:02:34,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:02:34,887 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 76 101) no Hoare annotation was computed. [2023-11-21 21:02:34,887 INFO L899 garLoopResultBuilder]: For program point atan_float_returnLabel#1(lines 58 120) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 80) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point L77-2(lines 77 80) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 122 138) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 79) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2023-11-21 21:02:34,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:02:34,889 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2023-11-21 21:02:34,889 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 66) the Hoare annotation is: (and (= (let ((.cse0 (select (select |#memory_int#2| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |#memory_int#3| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_atan_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2023-11-21 21:02:34,889 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2023-11-21 21:02:34,889 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-21 21:02:34,890 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2023-11-21 21:02:34,890 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:02:34,890 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-11-21 21:02:34,890 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2023-11-21 21:02:34,890 INFO L895 garLoopResultBuilder]: At program point L26-1(lines 26 30) the Hoare annotation is: false [2023-11-21 21:02:34,890 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2023-11-21 21:02:34,891 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 101) no Hoare annotation was computed. [2023-11-21 21:02:34,891 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 75) no Hoare annotation was computed. [2023-11-21 21:02:34,897 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 21:02:34,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:34,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated [2023-11-21 21:02:34,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated [2023-11-21 21:02:34,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated [2023-11-21 21:02:34,924 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1044) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:950) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContextToString(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContextToString(BacktranslationService.java:98) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.(InvariantResult.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) 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) [2023-11-21 21:02:34,932 INFO L158 Benchmark]: Toolchain (without parser) took 29785.43ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 47.3MB in the beginning and 39.6MB in the end (delta: 7.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,933 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:34,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.57ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 33.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.46ms. Allocated memory is still 94.4MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,936 INFO L158 Benchmark]: Boogie Preprocessor took 68.95ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 68.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,938 INFO L158 Benchmark]: RCFGBuilder took 12528.60ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 60.4MB in the end (delta: 7.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,939 INFO L158 Benchmark]: TraceAbstraction took 16638.48ms. Allocated memory is still 94.4MB. Free memory was 59.9MB in the beginning and 39.6MB in the end (delta: 20.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:34,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.57ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 33.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.46ms. Allocated memory is still 94.4MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.95ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 68.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12528.60ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 60.4MB in the end (delta: 7.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 16638.48ms. Allocated memory is still 94.4MB. Free memory was 59.9MB in the beginning and 39.6MB in the end (delta: 20.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#atanhi_atan~0!base][~bvadd~32(~#atanhi_atan~0!offset, 12bv32)] could not be translated * 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: 133]: 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 2 QuantifiedInterpolants, 471 SizeOfPredicates, 16 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29): de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 21:02:35,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708d02ba-8bb0-4e5d-859b-d8d1eb0f263f/bin/uautomizer-verify-bycVGegfSx/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: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29)