./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:58:00,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:58:00,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:58:00,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:58:00,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:58:00,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:58:00,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:58:00,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:58:00,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:58:00,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:58:00,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:58:00,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:58:00,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:58:00,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:58:00,584 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:58:00,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:58:00,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:58:00,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:58:00,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:58:00,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:58:00,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:58:00,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:58:00,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:58:00,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:58:00,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:00,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:00,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:00,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:00,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:58:00,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:00,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:00,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:00,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:00,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:58:00,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:58:00,589 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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 -> 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 [2024-11-28 03:58:00,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:58:00,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:58:00,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:58:00,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:58:00,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:58:00,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2024-11-28 03:58:04,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/32f931af0/55b371013aa14aaa985c7ad3deb08d65/FLAGe7747e670 [2024-11-28 03:58:04,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:58:04,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2024-11-28 03:58:04,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/32f931af0/55b371013aa14aaa985c7ad3deb08d65/FLAGe7747e670 [2024-11-28 03:58:04,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/32f931af0/55b371013aa14aaa985c7ad3deb08d65 [2024-11-28 03:58:04,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:58:04,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:58:04,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:04,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:58:04,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:58:04,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:04" (1/1) ... [2024-11-28 03:58:04,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74366e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:04, skipping insertion in model container [2024-11-28 03:58:04,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:04" (1/1) ... [2024-11-28 03:58:04,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:58:05,057 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 03:58:05,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@110598aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:05, skipping insertion in model container [2024-11-28 03:58:05,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:05,061 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 03:58:05,063 INFO L158 Benchmark]: Toolchain (without parser) took 272.52ms. 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 03:58:05,064 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:05,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.91ms. 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 03:58:05,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.91ms. 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: 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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:58:07,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:58:07,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:58:08,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:58:08,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:58:08,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:58:08,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:58:08,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:58:08,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:58:08,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:58:08,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:58:08,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:58:08,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:58:08,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:58:08,055 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:58:08,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:58:08,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:58:08,057 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:08,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:08,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:58:08,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:08,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:08,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:08,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:08,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:58:08,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:58:08,060 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:58:08,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:58:08,060 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:58:08,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:58:08,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:58:08,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:58:08,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:58:08,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:58:08,061 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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 -> 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 [2024-11-28 03:58:08,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:58:08,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:58:08,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:58:08,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:58:08,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:58:08,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2024-11-28 03:58:11,551 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/33af76c90/faed3466ad2a45cbace0f845197468e4/FLAG94dcbeaea [2024-11-28 03:58:11,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:58:11,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2024-11-28 03:58:11,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/33af76c90/faed3466ad2a45cbace0f845197468e4/FLAG94dcbeaea [2024-11-28 03:58:12,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/data/33af76c90/faed3466ad2a45cbace0f845197468e4 [2024-11-28 03:58:12,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:58:12,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:58:12,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:12,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:58:12,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:58:12,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec64d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12, skipping insertion in model container [2024-11-28 03:58:12,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:58:12,379 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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2024-11-28 03:58:12,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:12,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:58:12,470 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_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2024-11-28 03:58:12,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:12,502 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:58:12,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12 WrapperNode [2024-11-28 03:58:12,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:12,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:12,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:58:12,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:58:12,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,574 INFO L138 Inliner]: procedures = 22, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 184 [2024-11-28 03:58:12,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:12,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:58:12,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:58:12,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:58:12,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,630 INFO L175 MemorySlicer]: Split 48 memory accesses to 8 slices as follows [2, 2, 7, 7, 2, 23, 2, 3]. 48 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 4, 0, 0, 0, 0]. The 17 writes are split as follows [0, 1, 0, 0, 1, 12, 1, 2]. [2024-11-28 03:58:12,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:58:12,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:58:12,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:58:12,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:58:12,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (1/1) ... [2024-11-28 03:58:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:58:12,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:58:12,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:58:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:58:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:58:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:58:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:58:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-28 03:58:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-28 03:58:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2 [2024-11-28 03:58:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3 [2024-11-28 03:58:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4 [2024-11-28 03:58:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5 [2024-11-28 03:58:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6 [2024-11-28 03:58:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7 [2024-11-28 03:58:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:58:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:58:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:58:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:58:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:58:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:58:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 03:58:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:58:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:58:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:58:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:58:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:58:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:58:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:58:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:58:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:58:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 03:58:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 03:58:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:58:12,936 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:58:12,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:58:43,831 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-28 03:58:43,831 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:58:43,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:58:43,848 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:58:43,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:43 BoogieIcfgContainer [2024-11-28 03:58:43,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:58:43,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:58:43,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:58:43,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:58:43,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:58:12" (1/3) ... [2024-11-28 03:58:43,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cda8ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:43, skipping insertion in model container [2024-11-28 03:58:43,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:12" (2/3) ... [2024-11-28 03:58:43,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cda8ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:43, skipping insertion in model container [2024-11-28 03:58:43,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:43" (3/3) ... [2024-11-28 03:58:43,861 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b.c [2024-11-28 03:58:43,879 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:58:43,880 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0621b.c that has 1 procedures, 32 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-28 03:58:43,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:58:43,950 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;@78bc5762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:58:43,951 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:58:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 31 states have internal predecessors, (50), 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 03:58:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 03:58:43,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:43,962 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:43,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:43,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:43,968 INFO L85 PathProgramCache]: Analyzing trace with hash -598456063, now seen corresponding path program 1 times [2024-11-28 03:58:43,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:43,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206320728] [2024-11-28 03:58:43,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:43,982 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 03:58:43,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:43,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:43,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:44,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:58:44,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:44,512 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 03:58:44,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:44,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:44,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206320728] [2024-11-28 03:58:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206320728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:44,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:44,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:58:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907315978] [2024-11-28 03:58:44,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:44,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:58:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:44,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:58:44,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:58:44,544 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 31 states have internal predecessors, (50), 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 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) [2024-11-28 03:58:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:44,560 INFO L93 Difference]: Finished difference Result 62 states and 98 transitions. [2024-11-28 03:58:44,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:58:44,562 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 [2024-11-28 03:58:44,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:44,571 INFO L225 Difference]: With dead ends: 62 [2024-11-28 03:58:44,571 INFO L226 Difference]: Without dead ends: 29 [2024-11-28 03:58:44,574 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 [2024-11-28 03:58:44,578 INFO L435 NwaCegarLoop]: 41 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, 41 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 03:58:44,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:58:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-28 03:58:44,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-28 03:58:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 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 03:58:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-28 03:58:44,615 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 10 [2024-11-28 03:58:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:44,615 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-28 03:58:44,616 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) [2024-11-28 03:58:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-28 03:58:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 03:58:44,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:44,617 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:44,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:58:44,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:44,818 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:44,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:44,819 INFO L85 PathProgramCache]: Analyzing trace with hash -990201984, now seen corresponding path program 1 times [2024-11-28 03:58:44,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:44,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750489537] [2024-11-28 03:58:44,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:44,820 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 03:58:44,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:44,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:44,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:45,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:58:45,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:47,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 03:58:47,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-28 03:58:49,306 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 03:58:49,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:49,307 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:49,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750489537] [2024-11-28 03:58:49,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750489537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:49,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:49,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:58:49,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235515152] [2024-11-28 03:58:49,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:49,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:58:49,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:49,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:58:49,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:58:49,313 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 03:58:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:52,017 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2024-11-28 03:58:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:58:52,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 03:58:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:52,018 INFO L225 Difference]: With dead ends: 33 [2024-11-28 03:58:52,018 INFO L226 Difference]: Without dead ends: 14 [2024-11-28 03:58:52,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:58:52,020 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:52,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 15 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:58:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-28 03:58:52,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-28 03:58:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 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 03:58:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-28 03:58:52,025 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2024-11-28 03:58:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:52,025 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-28 03:58:52,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 03:58:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-28 03:58:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 03:58:52,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:52,026 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:52,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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)] Ended with exit code 0 [2024-11-28 03:58:52,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:52,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:52,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:52,228 INFO L85 PathProgramCache]: Analyzing trace with hash -631791138, now seen corresponding path program 1 times [2024-11-28 03:58:52,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:52,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115643249] [2024-11-28 03:58:52,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:52,229 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 03:58:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:52,234 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:52,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:58:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:52,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:58:52,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:58,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:58:58,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 76 [2024-11-28 03:58:58,367 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:58:58,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 42 [2024-11-28 03:59:03,885 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 03:59:03,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:03,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115643249] [2024-11-28 03:59:03,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115643249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:03,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:03,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:59:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490084233] [2024-11-28 03:59:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:59:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:59:03,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:59:03,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:59:03,887 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 03:59:07,902 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 [0] [2024-11-28 03:59:10,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:59:17,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:17,009 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-28 03:59:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:59:17,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-28 03:59:17,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:17,010 INFO L225 Difference]: With dead ends: 14 [2024-11-28 03:59:17,010 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:59:17,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:59:17,011 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:17,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2024-11-28 03:59:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:59:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:59:17,013 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 03:59:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:59:17,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-28 03:59:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:17,013 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:59:17,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 03:59:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:59:17,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:59:17,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:59:17,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:59:17,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/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 03:59:17,221 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:59:17,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:59:18,328 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:59:18,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,347 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 03:59:18,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 03:59:18,351 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 03:59:18,351 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,352 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,352 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,352 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 03:59:18,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 03:59:18,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 03:59:18,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 03:59:18,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:59:18 BoogieIcfgContainer [2024-11-28 03:59:18,356 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:59:18,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:59:18,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:59:18,358 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:59:18,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:43" (3/4) ... [2024-11-28 03:59:18,361 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:59:18,371 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:59:18,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 03:59:18,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:59:18,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:59:18,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:59:18,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:59:18,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:59:18,481 INFO L158 Benchmark]: Toolchain (without parser) took 66363.27ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 27.7MB in the end (delta: 32.6MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-28 03:59:18,481 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:18,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.76ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 46.0MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:59:18,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.48ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:18,482 INFO L158 Benchmark]: Boogie Preprocessor took 115.01ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 39.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:59:18,483 INFO L158 Benchmark]: RCFGBuilder took 31157.99ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 52.2MB in the end (delta: -12.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-28 03:59:18,483 INFO L158 Benchmark]: TraceAbstraction took 34505.16ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 33.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-28 03:59:18,483 INFO L158 Benchmark]: Witness Printer took 122.43ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 27.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:59:18,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.76ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 46.0MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.48ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 115.01ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 39.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 31157.99ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 52.2MB in the end (delta: -12.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * TraceAbstraction took 34505.16ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 33.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 122.43ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 27.7MB in the end (delta: 5.8MB). 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: 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 - 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: Expression type not yet supported in backtranslation: QuantifierExpression - 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: ~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: 147]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 56 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 1.0s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 18 QuantifiedInterpolants, 941 SizeOfPredicates, 13 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 25 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 03:59:18,701 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 03:59:18,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12aaf7eb-efa8-4d63-b6eb-9c9ab31b75cd/bin/uautomizer-verify-aQ6SnzHsRB/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