./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC --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 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:24:55,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:24:55,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:24:55,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:24:55,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:24:55,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:24:55,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:24:55,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:24:55,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:24:55,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:24:55,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:24:55,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:24:55,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:24:55,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:24:55,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:24:55,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:24:55,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:24:55,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:24:55,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:24:55,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:24:55,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:24:55,355 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:24:55,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:24:55,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:24:55,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:24:55,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:24:55,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:24:55,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:24:55,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:24:55,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:24:55,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:24:55,358 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC 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 -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-23 23:24:55,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:24:55,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:24:55,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:24:55,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:24:55,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:24:55,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-23 23:24:58,724 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/160a03a86/f8c0100989434fb4bdb67a29fcb86b63/FLAG84f22aec6 [2024-11-23 23:24:59,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:24:59,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-23 23:24:59,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/160a03a86/f8c0100989434fb4bdb67a29fcb86b63/FLAG84f22aec6 [2024-11-23 23:24:59,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/160a03a86/f8c0100989434fb4bdb67a29fcb86b63 [2024-11-23 23:24:59,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:24:59,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:24:59,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:24:59,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:24:59,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:24:59,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:59" (1/1) ... [2024-11-23 23:24:59,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea11fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:59, skipping insertion in model container [2024-11-23 23:24:59,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:59" (1/1) ... [2024-11-23 23:24:59,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:24:59,310 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-23 23:24:59,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a9e0baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:59, skipping insertion in model container [2024-11-23 23:24:59,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:24:59,312 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-23 23:24:59,316 INFO L158 Benchmark]: Toolchain (without parser) took 246.04ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 84.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:24:59,319 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:24:59,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.20ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 84.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:24:59,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.20ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 84.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11]: Unsupported Syntax floats in unions are not supported in the integer translation. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC --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 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:25:02,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:25:02,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:25:02,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:25:02,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:25:02,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:25:02,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:25:02,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:25:02,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:25:02,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:25:02,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:25:02,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:25:02,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:25:02,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:25:02,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:25:02,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:25:02,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:25:02,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:25:02,258 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:25:02,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:25:02,258 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:25:02,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:25:02,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:25:02,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:25:02,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:02,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:25:02,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:25:02,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:25:02,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:25:02,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:02,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:25:02,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:25:02,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:25:02,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:25:02,261 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC 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 -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-23 23:25:02,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:25:02,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:25:02,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:25:02,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:25:02,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:25:02,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-23 23:25:05,662 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/f857e675c/50d0d4cb62bb4cf9894a857a26b21b52/FLAGcd6ba1b5f [2024-11-23 23:25:06,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:25:06,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-23 23:25:06,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/f857e675c/50d0d4cb62bb4cf9894a857a26b21b52/FLAGcd6ba1b5f [2024-11-23 23:25:06,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/data/f857e675c/50d0d4cb62bb4cf9894a857a26b21b52 [2024-11-23 23:25:06,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:25:06,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:25:06,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:25:06,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:25:06,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:25:06,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d259aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06, skipping insertion in model container [2024-11-23 23:25:06,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:25:06,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-23 23:25:06,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:25:06,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:25:06,576 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-23 23:25:06,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:25:06,626 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:25:06,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06 WrapperNode [2024-11-23 23:25:06,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:25:06,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:25:06,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:25:06,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:25:06,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,708 INFO L138 Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 221 [2024-11-23 23:25:06,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:25:06,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:25:06,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:25:06,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:25:06,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,778 INFO L175 MemorySlicer]: Split 59 memory accesses to 12 slices as follows [2, 2, 7, 2, 7, 23, 2, 3, 3, 3, 3, 2]. 39 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 0, 4, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 1, 0, 1, 0, 12, 1, 1, 2, 1, 2, 1]. [2024-11-23 23:25:06,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:25:06,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:25:06,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:25:06,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:25:06,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (1/1) ... [2024-11-23 23:25:06,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:06,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:25:06,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:25:06,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:25:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-23 23:25:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2 [2024-11-23 23:25:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#8 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#9 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#10 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#11 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 23:25:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-23 23:25:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:25:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-23 23:25:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-23 23:25:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-23 23:25:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-23 23:25:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:25:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 23:25:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-23 23:25:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-23 23:25:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-23 23:25:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-23 23:25:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-23 23:25:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:25:07,171 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:25:07,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:25:53,673 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-23 23:25:53,673 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:25:53,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:25:53,688 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-23 23:25:53,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:53 BoogieIcfgContainer [2024-11-23 23:25:53,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:25:53,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:25:53,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:25:53,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:25:53,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:25:06" (1/3) ... [2024-11-23 23:25:53,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f18a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:53, skipping insertion in model container [2024-11-23 23:25:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:06" (2/3) ... [2024-11-23 23:25:53,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f18a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:53, skipping insertion in model container [2024-11-23 23:25:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:53" (3/3) ... [2024-11-23 23:25:53,705 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2024-11-23 23:25:53,722 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:25:53,724 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0685b.c that has 3 procedures, 86 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-23 23:25:53,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:25:53,790 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@194c582d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:25:53,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:25:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:25:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 23:25:53,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:25:53,802 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:25:53,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:25:53,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:25:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1859816526, now seen corresponding path program 1 times [2024-11-23 23:25:53,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:25:53,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673945401] [2024-11-23 23:25:53,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:25:53,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:25:53,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:25:53,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:25:53,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:25:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:25:54,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:25:54,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:25:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:25:54,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:25:54,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:25:54,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673945401] [2024-11-23 23:25:54,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673945401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:25:54,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:25:54,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:25:54,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942561365] [2024-11-23 23:25:54,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:25:54,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:25:54,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:25:54,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:25:54,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:25:54,457 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:25:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:25:54,501 INFO L93 Difference]: Finished difference Result 170 states and 280 transitions. [2024-11-23 23:25:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:25:54,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-23 23:25:54,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:25:54,513 INFO L225 Difference]: With dead ends: 170 [2024-11-23 23:25:54,515 INFO L226 Difference]: Without dead ends: 83 [2024-11-23 23:25:54,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:25:54,524 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:25:54,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:25:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-23 23:25:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-23 23:25:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:25:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 119 transitions. [2024-11-23 23:25:54,585 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 119 transitions. Word has length 10 [2024-11-23 23:25:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:25:54,587 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 119 transitions. [2024-11-23 23:25:54,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:25:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2024-11-23 23:25:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 23:25:54,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:25:54,588 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:25:54,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:25:54,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:25:54,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:25:54,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:25:54,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1324219708, now seen corresponding path program 1 times [2024-11-23 23:25:54,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:25:54,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729531264] [2024-11-23 23:25:54,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:25:54,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:25:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:25:54,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:25:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:25:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:25:55,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:25:55,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:26:01,282 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:01,282 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:01,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729531264] [2024-11-23 23:26:01,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729531264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:01,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:01,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:26:01,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614260404] [2024-11-23 23:26:01,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:01,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:26:01,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:01,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:26:01,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:26:01,285 INFO L87 Difference]: Start difference. First operand 83 states and 119 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:11,987 INFO L93 Difference]: Finished difference Result 147 states and 211 transitions. [2024-11-23 23:26:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:26:11,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-23 23:26:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:11,990 INFO L225 Difference]: With dead ends: 147 [2024-11-23 23:26:11,990 INFO L226 Difference]: Without dead ends: 75 [2024-11-23 23:26:11,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:26:11,992 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 72 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:11,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 483 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 23:26:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-23 23:26:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-23 23:26:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 23:26:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions. [2024-11-23 23:26:12,012 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 12 [2024-11-23 23:26:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:12,012 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions. [2024-11-23 23:26:12,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2024-11-23 23:26:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 23:26:12,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:12,013 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:26:12,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:26:12,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:12,216 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:12,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1007650807, now seen corresponding path program 1 times [2024-11-23 23:26:12,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:12,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076287307] [2024-11-23 23:26:12,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:12,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:12,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:12,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:26:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:26:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:13,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:26:13,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:26:15,471 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:15,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:15,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076287307] [2024-11-23 23:26:15,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076287307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:15,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:15,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:26:15,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689526969] [2024-11-23 23:26:15,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:15,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:26:15,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:15,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:26:15,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:26:15,474 INFO L87 Difference]: Start difference. First operand 75 states and 102 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:17,152 INFO L93 Difference]: Finished difference Result 139 states and 187 transitions. [2024-11-23 23:26:17,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:26:17,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-23 23:26:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:17,172 INFO L225 Difference]: With dead ends: 139 [2024-11-23 23:26:17,173 INFO L226 Difference]: Without dead ends: 88 [2024-11-23 23:26:17,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:26:17,174 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 138 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:17,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 263 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:26:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-23 23:26:17,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2024-11-23 23:26:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 23:26:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2024-11-23 23:26:17,187 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 17 [2024-11-23 23:26:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:17,187 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2024-11-23 23:26:17,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2024-11-23 23:26:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 23:26:17,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:17,188 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:26:17,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:26:17,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:17,389 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:17,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:17,390 INFO L85 PathProgramCache]: Analyzing trace with hash -368746665, now seen corresponding path program 1 times [2024-11-23 23:26:17,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:17,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428024231] [2024-11-23 23:26:17,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:17,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:17,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:17,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:26:17,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:26:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:18,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:26:18,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:26:21,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:21,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428024231] [2024-11-23 23:26:21,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428024231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:21,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:21,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:26:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295194372] [2024-11-23 23:26:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:21,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:26:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:21,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:26:21,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:26:21,206 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:26,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:26:28,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:28,758 INFO L93 Difference]: Finished difference Result 93 states and 122 transitions. [2024-11-23 23:26:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:26:28,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2024-11-23 23:26:28,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:28,761 INFO L225 Difference]: With dead ends: 93 [2024-11-23 23:26:28,761 INFO L226 Difference]: Without dead ends: 89 [2024-11-23 23:26:28,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:26:28,762 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 150 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:28,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 317 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-23 23:26:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-23 23:26:28,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2024-11-23 23:26:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 69 states have internal predecessors, (93), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 23:26:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2024-11-23 23:26:28,774 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 18 [2024-11-23 23:26:28,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:28,774 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2024-11-23 23:26:28,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-23 23:26:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 23:26:28,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:28,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:26:28,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 23:26:28,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:28,976 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:28,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash -345867177, now seen corresponding path program 1 times [2024-11-23 23:26:28,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745358159] [2024-11-23 23:26:28,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:28,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:28,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:28,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:26:28,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:26:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:29,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:26:29,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:26:31,776 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:31,777 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:31,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745358159] [2024-11-23 23:26:31,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745358159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:31,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:31,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:26:31,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607109069] [2024-11-23 23:26:31,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:31,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:26:31,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:31,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:26:31,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:26:31,778 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:33,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:33,536 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2024-11-23 23:26:33,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:26:33,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2024-11-23 23:26:33,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:33,539 INFO L225 Difference]: With dead ends: 81 [2024-11-23 23:26:33,539 INFO L226 Difference]: Without dead ends: 25 [2024-11-23 23:26:33,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:26:33,540 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:33,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 34 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:26:33,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-23 23:26:33,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-23 23:26:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-23 23:26:33,548 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18 [2024-11-23 23:26:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:33,548 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-23 23:26:33,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-23 23:26:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 23:26:33,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:33,549 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:26:33,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 23:26:33,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:33,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:33,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:33,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2069140722, now seen corresponding path program 1 times [2024-11-23 23:26:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:33,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411575908] [2024-11-23 23:26:33,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:33,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:33,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:26:33,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Waiting until timeout for monitored process [2024-11-23 23:26:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:34,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:26:34,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:26:41,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:41,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411575908] [2024-11-23 23:26:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411575908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:41,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:26:41,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818033500] [2024-11-23 23:26:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:26:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:41,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:26:41,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:26:41,698 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:48,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:26:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:50,816 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2024-11-23 23:26:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:26:50,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-23 23:26:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:50,817 INFO L225 Difference]: With dead ends: 29 [2024-11-23 23:26:50,817 INFO L226 Difference]: Without dead ends: 25 [2024-11-23 23:26:50,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:26:50,818 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:50,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 42 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-23 23:26:50,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-23 23:26:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-23 23:26:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-23 23:26:50,825 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2024-11-23 23:26:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:50,825 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-23 23:26:50,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:26:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-23 23:26:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 23:26:50,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:50,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:26:50,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Ended with exit code 0 [2024-11-23 23:26:51,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:51,027 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:51,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:51,028 INFO L85 PathProgramCache]: Analyzing trace with hash -282341296, now seen corresponding path program 1 times [2024-11-23 23:26:51,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:51,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201848075] [2024-11-23 23:26:51,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:51,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:26:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:51,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:26:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Waiting until timeout for monitored process [2024-11-23 23:26:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:51,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:26:51,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:27:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:27:04,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:27:04,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:27:04,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201848075] [2024-11-23 23:27:04,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201848075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:27:04,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:27:04,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:27:04,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287180298] [2024-11-23 23:27:04,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:27:04,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:27:04,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:27:04,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:27:04,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:27:04,765 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:08,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:27:12,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:27:21,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:27:22,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:27:24,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:27:24,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:27:24,440 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2024-11-23 23:27:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:27:24,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-23 23:27:24,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:27:24,448 INFO L225 Difference]: With dead ends: 28 [2024-11-23 23:27:24,449 INFO L226 Difference]: Without dead ends: 24 [2024-11-23 23:27:24,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:27:24,450 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:27:24,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 55 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2024-11-23 23:27:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-23 23:27:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-23 23:27:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0) internal successors, (23), 23 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2024-11-23 23:27:24,455 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 21 [2024-11-23 23:27:24,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:27:24,455 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2024-11-23 23:27:24,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2024-11-23 23:27:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-23 23:27:24,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:27:24,456 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:24,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:27:24,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:27:24,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:27:24,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:27:24,658 INFO L85 PathProgramCache]: Analyzing trace with hash -782371697, now seen corresponding path program 1 times [2024-11-23 23:27:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:27:24,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009563866] [2024-11-23 23:27:24,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:27:24,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:27:24,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:27:24,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:27:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (9)] Waiting until timeout for monitored process [2024-11-23 23:27:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:27:25,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 23:27:25,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:27:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:27:30,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:27:30,835 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:27:30,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009563866] [2024-11-23 23:27:30,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009563866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:27:30,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:27:30,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:27:30,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616297084] [2024-11-23 23:27:30,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:27:30,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:27:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:27:30,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:27:30,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:27:30,837 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:36,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:27:36,193 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2024-11-23 23:27:36,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:27:36,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2024-11-23 23:27:36,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:27:36,194 INFO L225 Difference]: With dead ends: 24 [2024-11-23 23:27:36,194 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:27:36,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:27:36,195 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 36 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:27:36,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 23 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:27:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:27:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:27:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:27:36,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-23 23:27:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:27:36,197 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:27:36,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:27:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:27:36,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:27:36,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:27:36,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/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 (9)] Ended with exit code 0 [2024-11-23 23:27:36,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:27:36,406 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:36,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:27:38,923 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:27:38,933 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,937 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-23 23:27:38,937 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,937 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,937 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:27:38,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-23 23:27:38,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-23 23:27:38,944 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,944 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:27:38,944 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:27:38,944 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-23 23:27:38,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:27:38 BoogieIcfgContainer [2024-11-23 23:27:38,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:27:38,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:27:38,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:27:38,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:27:38,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:53" (3/4) ... [2024-11-23 23:27:38,951 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:27:38,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2024-11-23 23:27:38,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2024-11-23 23:27:38,971 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-23 23:27:38,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 23:27:38,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:27:38,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:27:39,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:27:39,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:27:39,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:27:39,091 INFO L158 Benchmark]: Toolchain (without parser) took 153009.29ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 75.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,091 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:39,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.06ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 77.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.31ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:39,093 INFO L158 Benchmark]: Boogie Preprocessor took 163.07ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,094 INFO L158 Benchmark]: RCFGBuilder took 46815.60ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 86.2MB in the end (delta: -16.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,095 INFO L158 Benchmark]: TraceAbstraction took 105251.33ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 82.5MB in the end (delta: 2.9MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,095 INFO L158 Benchmark]: Witness Printer took 143.41ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 75.4MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:27:39,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.06ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 77.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.31ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 163.07ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 46815.60ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 86.2MB in the end (delta: -16.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 105251.33ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 82.5MB in the end (delta: 2.9MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 143.41ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 75.4MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 260]: 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 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 31.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 495 mSDsluCounter, 1339 SdHoareTripleChecker+Invalid, 30.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 889 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 450 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 42.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 29 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 39.6s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 131 ConstructedInterpolants, 71 QuantifiedInterpolants, 2497 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1282 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-23 23:27:39,314 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-23 23:27:39,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a48f6-4d57-481a-a51a-cc1baf2ac73b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE