./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB --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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:39:58,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:39:58,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:39:58,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:39:58,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:39:58,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:39:58,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:39:58,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:39:58,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:39:58,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:39:58,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:39:58,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:39:58,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:39:58,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:39:58,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:39:58,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:39:58,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:39:58,637 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:58,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:58,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:58,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:39:58,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:39:58,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:39:58,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:39:58,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:39:58,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:39:58,639 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_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-11-28 02:39:58,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:39:58,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:39:58,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:39:58,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:39:58,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:39:58,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-28 02:40:01,954 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/82b5de1b9/5c64a83fca164612bda362235173f7b3/FLAG31c6fb640 [2024-11-28 02:40:02,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:02,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-28 02:40:02,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/82b5de1b9/5c64a83fca164612bda362235173f7b3/FLAG31c6fb640 [2024-11-28 02:40:02,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/82b5de1b9/5c64a83fca164612bda362235173f7b3 [2024-11-28 02:40:02,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:02,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:02,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:02,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:02,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:02,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:02" (1/1) ... [2024-11-28 02:40:02,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb8196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:02, skipping insertion in model container [2024-11-28 02:40:02,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:02" (1/1) ... [2024-11-28 02:40:02,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:02,696 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 02:40:02,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fc011bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:02, skipping insertion in model container [2024-11-28 02:40:02,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:02,697 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 02:40:02,699 INFO L158 Benchmark]: Toolchain (without parser) took 182.65ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 85.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:02,699 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:02,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.18ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 85.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:02,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.18ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 85.2MB 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: 9]: 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_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB --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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:40:05,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:05,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:40:05,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:05,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:05,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:05,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:05,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:05,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:40:05,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:40:05,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:05,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:05,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:05,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:05,430 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:05,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:05,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:40:05,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:05,433 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:05,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:05,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:05,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:40:05,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:05,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:05,435 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_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-11-28 02:40:05,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:05,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:05,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:05,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:05,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:05,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-28 02:40:08,839 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/bafaa3064/4e8eadb3e7b54515aed2f7e6ace53fc5/FLAG8eaca2164 [2024-11-28 02:40:09,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:09,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-28 02:40:09,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/bafaa3064/4e8eadb3e7b54515aed2f7e6ace53fc5/FLAG8eaca2164 [2024-11-28 02:40:09,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/data/bafaa3064/4e8eadb3e7b54515aed2f7e6ace53fc5 [2024-11-28 02:40:09,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:09,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:09,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:09,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:09,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:09,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09, skipping insertion in model container [2024-11-28 02:40:09,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:09,472 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_d74908d4-cb8b-4430-992b-68772018e30a/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-11-28 02:40:09,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:09,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:40:09,559 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_d74908d4-cb8b-4430-992b-68772018e30a/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-11-28 02:40:09,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:09,581 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:40:09,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09 WrapperNode [2024-11-28 02:40:09,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:09,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:09,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:40:09,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:40:09,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,628 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 234 [2024-11-28 02:40:09,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:09,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:40:09,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:40:09,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:40:09,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,671 INFO L175 MemorySlicer]: Split 21 memory accesses to 8 slices as follows [2, 3, 2, 2, 3, 3, 3, 3]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 1, 1, 2, 2, 1, 1]. [2024-11-28 02:40:09,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:40:09,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:40:09,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:40:09,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:40:09,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (1/1) ... [2024-11-28 02:40:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:09,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:09,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:40:09,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:40:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 02:40:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:40:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:40:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 02:40:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 02:40:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 02:40:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:40:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:40:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:40:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:40:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 02:40:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 02:40:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 02:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 02:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:40:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 02:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:40:10,000 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:40:10,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:41:11,695 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-28 02:41:11,695 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:41:11,710 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:41:11,710 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 02:41:11,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:11 BoogieIcfgContainer [2024-11-28 02:41:11,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:41:11,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:41:11,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:41:11,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:41:11,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:09" (1/3) ... [2024-11-28 02:41:11,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46347f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:11, skipping insertion in model container [2024-11-28 02:41:11,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:09" (2/3) ... [2024-11-28 02:41:11,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46347f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:11, skipping insertion in model container [2024-11-28 02:41:11,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:11" (3/3) ... [2024-11-28 02:41:11,723 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2024-11-28 02:41:11,739 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:41:11,741 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0981.c that has 1 procedures, 45 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-28 02:41:11,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:41:11,806 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;@4f508863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:41:11,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:41:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 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) [2024-11-28 02:41:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 02:41:11,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:11,820 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:11,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:11,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash 498660215, now seen corresponding path program 1 times [2024-11-28 02:41:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:11,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777389739] [2024-11-28 02:41:11,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:11,841 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 [2024-11-28 02:41:11,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:11,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:41:11,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:12,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:41:12,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:41:12,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:12,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:12,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777389739] [2024-11-28 02:41:12,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777389739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:12,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:12,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:41:12,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56682684] [2024-11-28 02:41:12,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:12,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:41:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:12,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:41:12,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:12,963 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-28 02:41:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:12,977 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2024-11-28 02:41:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:41:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 [2024-11-28 02:41:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:12,985 INFO L225 Difference]: With dead ends: 88 [2024-11-28 02:41:12,985 INFO L226 Difference]: Without dead ends: 42 [2024-11-28 02:41:12,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:12,990 INFO L435 NwaCegarLoop]: 59 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, 59 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 [2024-11-28 02:41:12,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-28 02:41:13,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-28 02:41:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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) [2024-11-28 02:41:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2024-11-28 02:41:13,031 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2024-11-28 02:41:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:13,031 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2024-11-28 02:41:13,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-28 02:41:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-28 02:41:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 02:41:13,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:13,034 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:13,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:13,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:13,235 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:13,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1083406434, now seen corresponding path program 1 times [2024-11-28 02:41:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015755068] [2024-11-28 02:41:13,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:13,236 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 [2024-11-28 02:41:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:13,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:41:13,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:14,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:41:14,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:41:15,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:15,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:15,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015755068] [2024-11-28 02:41:15,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015755068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:15,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:15,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:41:15,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100437293] [2024-11-28 02:41:15,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:15,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:41:15,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:15,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:41:15,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:41:15,066 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-28 02:41:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:15,695 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2024-11-28 02:41:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:41:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-28 02:41:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:15,697 INFO L225 Difference]: With dead ends: 51 [2024-11-28 02:41:15,697 INFO L226 Difference]: Without dead ends: 15 [2024-11-28 02:41:15,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:41:15,699 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:15,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:41:15,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-28 02:41:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-28 02:41:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 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) [2024-11-28 02:41:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2024-11-28 02:41:15,702 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2024-11-28 02:41:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:15,703 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2024-11-28 02:41:15,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-28 02:41:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2024-11-28 02:41:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 02:41:15,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:15,704 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:15,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:15,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:15,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:15,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:15,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1210113569, now seen corresponding path program 1 times [2024-11-28 02:41:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:15,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412734716] [2024-11-28 02:41:15,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:15,906 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 [2024-11-28 02:41:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:15,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:41:15,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:16,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:41:16,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:41:19,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:19,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:19,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412734716] [2024-11-28 02:41:19,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412734716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:19,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:19,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:41:19,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095744116] [2024-11-28 02:41:19,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:19,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:41:19,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:19,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:41:19,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:41:19,676 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-28 02:41:22,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:22,594 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2024-11-28 02:41:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:41:22,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 14 [2024-11-28 02:41:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:22,595 INFO L225 Difference]: With dead ends: 15 [2024-11-28 02:41:22,595 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:41:22,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:41:22,597 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:22,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 29 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:41:22,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:41:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:41:22,599 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) [2024-11-28 02:41:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:41:22,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-28 02:41:22,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:22,599 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:41:22,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-28 02:41:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:41:22,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:41:22,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:41:22,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:41:22,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:41:22,807 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:41:22,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:41:23,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:41:23,473 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:41:23,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 02:41:23,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 02:41:23,478 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 02:41:23,479 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 02:41:23,479 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 02:41:23,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:41:23 BoogieIcfgContainer [2024-11-28 02:41:23,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:41:23,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:41:23,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:41:23,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:41:23,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:11" (3/4) ... [2024-11-28 02:41:23,485 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:41:23,496 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-28 02:41:23,499 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 02:41:23,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:41:23,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:41:23,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:41:23,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:41:23,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:41:23,601 INFO L158 Benchmark]: Toolchain (without parser) took 74424.79ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 42.0MB in the end (delta: 18.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-28 02:41:23,601 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:41:23,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.05ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 45.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:41:23,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.93ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:41:23,602 INFO L158 Benchmark]: Boogie Preprocessor took 100.07ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 40.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:41:23,602 INFO L158 Benchmark]: RCFGBuilder took 61981.05ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 54.0MB in the end (delta: -13.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-28 02:41:23,603 INFO L158 Benchmark]: TraceAbstraction took 11765.00ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 48.1MB in the end (delta: 5.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-28 02:41:23,603 INFO L158 Benchmark]: Witness Printer took 120.37ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 42.0MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:41:23,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.05ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 45.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.93ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 100.07ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 40.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 61981.05ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 54.0MB in the end (delta: -13.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11765.00ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 48.1MB in the end (delta: 5.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 120.37ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 42.0MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 188]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 75 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 8 QuantifiedInterpolants, 379 SizeOfPredicates, 7 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 02:41:23,818 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 02:41:23,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74908d4-cb8b-4430-992b-68772018e30a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE