./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0880.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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0880.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 0e71bfd4408bcb5f70ec62fe586e726a0ffe38b8b59566c7d94bdf19f85ff93b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:05,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:05,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:00:05,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:05,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:05,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:05,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:05,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:05,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:00:05,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:00:05,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:05,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:05,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:05,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:05,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:05,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:05,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:05,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:05,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:00:05,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:05,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:05,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:05,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:05,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:05,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:05,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:05,801 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:05,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:05,801 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:05,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:05,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:05,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:05,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:05,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:05,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:05,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:05,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:05,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:05,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:05,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:05,803 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:00:05,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:00:05,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:00:05,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:00:05,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:05,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:05,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:05,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:05,804 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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 -> 0e71bfd4408bcb5f70ec62fe586e726a0ffe38b8b59566c7d94bdf19f85ff93b [2024-11-28 04:00:06,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:06,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:06,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:06,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:06,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:06,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0880.c [2024-11-28 04:00:09,281 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/59064bdf5/b25cbb4331204eb593a25f867187e71e/FLAG80cc94be0 [2024-11-28 04:00:09,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:09,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/sv-benchmarks/c/float-newlib/float_req_bl_0880.c [2024-11-28 04:00:09,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/59064bdf5/b25cbb4331204eb593a25f867187e71e/FLAG80cc94be0 [2024-11-28 04:00:09,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/59064bdf5/b25cbb4331204eb593a25f867187e71e [2024-11-28 04:00:09,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:09,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:09,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:09,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:09,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:09,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:09" (1/1) ... [2024-11-28 04:00:09,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffc8650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:09, skipping insertion in model container [2024-11-28 04:00:09,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:09" (1/1) ... [2024-11-28 04:00:09,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:09,968 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 04:00:09,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38533941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:09, skipping insertion in model container [2024-11-28 04:00:09,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:09,970 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 04:00:09,972 INFO L158 Benchmark]: Toolchain (without parser) took 239.39ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 109.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:00:09,975 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:00:09,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.40ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 109.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:00:09,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.40ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 109.1MB in the end (delta: 9.1MB). 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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0880.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 0e71bfd4408bcb5f70ec62fe586e726a0ffe38b8b59566c7d94bdf19f85ff93b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:12,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:12,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:00:12,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:12,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:12,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:12,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:12,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:12,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:00:12,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:00:12,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:12,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:12,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:12,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:12,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:00:12,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:12,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:12,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:12,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:12,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:12,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:12,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:12,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:12,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:12,835 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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 -> 0e71bfd4408bcb5f70ec62fe586e726a0ffe38b8b59566c7d94bdf19f85ff93b [2024-11-28 04:00:13,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:13,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:13,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:13,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:13,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:13,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0880.c [2024-11-28 04:00:16,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/85e3390c3/c14a758d779546ed9ed08e39cf9e8681/FLAGe33d31bd0 [2024-11-28 04:00:16,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:16,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/sv-benchmarks/c/float-newlib/float_req_bl_0880.c [2024-11-28 04:00:16,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/85e3390c3/c14a758d779546ed9ed08e39cf9e8681/FLAGe33d31bd0 [2024-11-28 04:00:16,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/data/85e3390c3/c14a758d779546ed9ed08e39cf9e8681 [2024-11-28 04:00:16,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:16,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:16,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:16,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:16,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:16,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:16" (1/1) ... [2024-11-28 04:00:16,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32af38ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:16, skipping insertion in model container [2024-11-28 04:00:16,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:16" (1/1) ... [2024-11-28 04:00:16,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:17,072 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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/sv-benchmarks/c/float-newlib/float_req_bl_0880.c[15389,15402] [2024-11-28 04:00:17,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:17,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:00:17,272 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_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/sv-benchmarks/c/float-newlib/float_req_bl_0880.c[15389,15402] [2024-11-28 04:00:17,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:17,305 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:00:17,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17 WrapperNode [2024-11-28 04:00:17,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:17,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:17,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:00:17,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:00:17,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,435 INFO L138 Inliner]: procedures = 28, calls = 203, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 946 [2024-11-28 04:00:17,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:17,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:00:17,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:00:17,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:00:17,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,543 INFO L175 MemorySlicer]: Split 101 memory accesses to 46 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 5, 2, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 5 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 41 writes are split as follows [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-28 04:00:17,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,596 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:00:17,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:00:17,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:00:17,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:00:17,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (1/1) ... [2024-11-28 04:00:17,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:17,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:17,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:00:17,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:00:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 04:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 04:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 04:00:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-28 04:00:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-28 04:00:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-28 04:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-28 04:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-28 04:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-28 04:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2024-11-28 04:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2024-11-28 04:00:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2024-11-28 04:00:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2024-11-28 04:00:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2024-11-28 04:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#40 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#41 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#42 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#43 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#44 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#45 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 04:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2024-11-28 04:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2024-11-28 04:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#40 [2024-11-28 04:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#41 [2024-11-28 04:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#42 [2024-11-28 04:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#43 [2024-11-28 04:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#44 [2024-11-28 04:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#45 [2024-11-28 04:00:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:00:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 04:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2024-11-28 04:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2024-11-28 04:00:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2024-11-28 04:00:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2024-11-28 04:00:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2024-11-28 04:00:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2024-11-28 04:00:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2024-11-28 04:00:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#40 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#41 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#42 [2024-11-28 04:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#43 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#44 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#45 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-28 04:00:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2024-11-28 04:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2024-11-28 04:00:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#40 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#41 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#42 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#43 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#44 [2024-11-28 04:00:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#45 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-28 04:00:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 04:00:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2024-11-28 04:00:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#40 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#41 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#42 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#43 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#44 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#45 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:00:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2024-11-28 04:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#40 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#41 [2024-11-28 04:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#42 [2024-11-28 04:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#43 [2024-11-28 04:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#44 [2024-11-28 04:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#45 [2024-11-28 04:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:00:18,214 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:00:18,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:01:06,246 INFO L? ?]: Removed 213 outVars from TransFormulas that were not future-live. [2024-11-28 04:01:06,246 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:01:06,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:01:06,269 INFO L312 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-28 04:01:06,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:01:06 BoogieIcfgContainer [2024-11-28 04:01:06,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:01:06,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:01:06,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:01:06,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:01:06,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:00:16" (1/3) ... [2024-11-28 04:01:06,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ef9322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:01:06, skipping insertion in model container [2024-11-28 04:01:06,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:17" (2/3) ... [2024-11-28 04:01:06,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ef9322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:01:06, skipping insertion in model container [2024-11-28 04:01:06,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:01:06" (3/3) ... [2024-11-28 04:01:06,280 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0880.c [2024-11-28 04:01:06,296 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:01:06,298 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0880.c that has 2 procedures, 244 locations, 1 initial locations, 47 loop locations, and 1 error locations. [2024-11-28 04:01:06,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:01:06,379 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;@710bc09a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:01:06,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:01:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 238 states have (on average 1.7352941176470589) internal successors, (413), 239 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:01:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 04:01:06,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:06,391 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:06,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:06,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1128866631, now seen corresponding path program 1 times [2024-11-28 04:01:06,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:06,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209603081] [2024-11-28 04:01:06,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:06,409 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 04:01:06,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:06,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:06,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:07,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:01:07,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:07,622 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 04:01:07,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:07,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:07,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209603081] [2024-11-28 04:01:07,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209603081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:07,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:07,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:01:07,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100072476] [2024-11-28 04:01:07,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:07,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:01:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:07,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:01:07,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:01:07,659 INFO L87 Difference]: Start difference. First operand has 244 states, 238 states have (on average 1.7352941176470589) internal successors, (413), 239 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 04:01:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:07,732 INFO L93 Difference]: Finished difference Result 485 states and 837 transitions. [2024-11-28 04:01:07,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:01:07,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2024-11-28 04:01:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:07,746 INFO L225 Difference]: With dead ends: 485 [2024-11-28 04:01:07,747 INFO L226 Difference]: Without dead ends: 240 [2024-11-28 04:01:07,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 04:01:07,758 INFO L435 NwaCegarLoop]: 330 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, 330 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 04:01:07,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:01:07,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-28 04:01:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-28 04:01:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.3574468085106384) internal successors, (319), 235 states have internal predecessors, (319), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:01:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 325 transitions. [2024-11-28 04:01:07,823 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 325 transitions. Word has length 16 [2024-11-28 04:01:07,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:07,823 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 325 transitions. [2024-11-28 04:01:07,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 04:01:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 325 transitions. [2024-11-28 04:01:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:01:07,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:07,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:07,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:08,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:08,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:08,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash 820988873, now seen corresponding path program 1 times [2024-11-28 04:01:08,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:08,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595684684] [2024-11-28 04:01:08,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:08,029 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 04:01:08,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:08,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:08,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:09,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:01:09,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:09,490 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 04:01:09,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:09,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:09,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595684684] [2024-11-28 04:01:09,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595684684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:09,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:09,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:01:09,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72407075] [2024-11-28 04:01:09,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:09,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:01:09,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:09,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:01:09,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:09,493 INFO L87 Difference]: Start difference. First operand 240 states and 325 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:09,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:09,794 INFO L93 Difference]: Finished difference Result 460 states and 620 transitions. [2024-11-28 04:01:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:01:09,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-28 04:01:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:09,799 INFO L225 Difference]: With dead ends: 460 [2024-11-28 04:01:09,800 INFO L226 Difference]: Without dead ends: 240 [2024-11-28 04:01:09,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:09,801 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 0 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:09,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 960 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:01:09,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-28 04:01:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-28 04:01:09,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.348936170212766) internal successors, (317), 235 states have internal predecessors, (317), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:01:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 323 transitions. [2024-11-28 04:01:09,832 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 323 transitions. Word has length 19 [2024-11-28 04:01:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:09,833 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 323 transitions. [2024-11-28 04:01:09,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 323 transitions. [2024-11-28 04:01:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 04:01:09,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:09,834 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:09,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:10,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:10,038 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:10,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:10,039 INFO L85 PathProgramCache]: Analyzing trace with hash 572119531, now seen corresponding path program 1 times [2024-11-28 04:01:10,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:10,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940023599] [2024-11-28 04:01:10,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:10,040 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 04:01:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:10,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:10,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:01:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:11,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 04:01:11,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:22,699 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 04:01:22,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:22,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:22,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940023599] [2024-11-28 04:01:22,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940023599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:22,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:22,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:01:22,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995338649] [2024-11-28 04:01:22,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:22,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:01:22,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:22,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:01:22,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:01:22,701 INFO L87 Difference]: Start difference. First operand 240 states and 323 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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 04:01:30,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:01:41,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:01:46,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:53,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:55,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:01:58,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:59,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:02:00,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:05,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:11,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:15,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:19,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:02:23,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:02:27,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:31,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:35,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:02:39,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:43,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:02:48,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:52,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:55,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:01,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:05,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:09,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:13,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s 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 04:03:18,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:22,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:26,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:30,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:34,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:38,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:42,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:46,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:50,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:03:54,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:58,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:02,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:06,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:10,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:14,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:18,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:22,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:26,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:30,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:34,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:38,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:42,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:46,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:04:48,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:51,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:55,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:00,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:03,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:07,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:09,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:18,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:22,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:26,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:30,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:34,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:38,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:42,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:46,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:51,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:55,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:03,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:07,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:11,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:15,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:19,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:23,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:26,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:30,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:39,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:43,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:43,139 INFO L93 Difference]: Finished difference Result 513 states and 686 transitions. [2024-11-28 04:06:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:06:43,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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 33 [2024-11-28 04:06:43,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:43,151 INFO L225 Difference]: With dead ends: 513 [2024-11-28 04:06:43,151 INFO L226 Difference]: Without dead ends: 285 [2024-11-28 04:06:43,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:06:43,153 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 482 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 3 mSolverCounterUnsat, 59 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 308.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2263 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 59 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 311.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:43,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2263 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 535 Invalid, 59 Unknown, 0 Unchecked, 311.3s Time] [2024-11-28 04:06:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-28 04:06:43,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 249. [2024-11-28 04:06:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 244 states have internal predecessors, (323), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:06:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2024-11-28 04:06:43,176 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 33 [2024-11-28 04:06:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:43,177 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2024-11-28 04:06:43,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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 04:06:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2024-11-28 04:06:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 04:06:43,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:43,180 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:06:43,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:06:43,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:06:43,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:43,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:43,382 INFO L85 PathProgramCache]: Analyzing trace with hash 634159145, now seen corresponding path program 1 times [2024-11-28 04:06:43,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:43,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869126698] [2024-11-28 04:06:43,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:43,382 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 04:06:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:43,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:06:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (5)] Waiting until timeout for monitored process [2024-11-28 04:06:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:44,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 04:06:44,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:52,500 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 04:06:52,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:52,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:06:52,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869126698] [2024-11-28 04:06:52,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869126698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:52,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:52,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:06:52,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386607383] [2024-11-28 04:06:52,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:52,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:06:52,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:06:52,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:06:52,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:06:52,502 INFO L87 Difference]: Start difference. First operand 249 states and 329 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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 04:07:08,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:25,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:33,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:37,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:07:41,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:07:45,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:07:49,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:54,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:58,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:02,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:04,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:08,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:08:14,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s 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 04:08:18,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:22,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:26,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:30,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s 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 04:08:34,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:08:38,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:42,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:46,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:50,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:08:54,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:08:58,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:02,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:06,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:10,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:12,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:14,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:18,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:23,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:28,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:32,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:36,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:44,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:49,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:09:53,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:09:57,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:10:01,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:10:05,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:10:09,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:10:10,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:10:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:14,662 INFO L93 Difference]: Finished difference Result 511 states and 682 transitions. [2024-11-28 04:10:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:10:14,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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 33 [2024-11-28 04:10:14,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:14,672 INFO L225 Difference]: With dead ends: 511 [2024-11-28 04:10:14,672 INFO L226 Difference]: Without dead ends: 306 [2024-11-28 04:10:14,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:10:14,674 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 209 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 6 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 195.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 196.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:14,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 2572 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 589 Invalid, 36 Unknown, 0 Unchecked, 196.7s Time] [2024-11-28 04:10:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-28 04:10:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 273. [2024-11-28 04:10:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.3246268656716418) internal successors, (355), 268 states have internal predecessors, (355), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:10:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 361 transitions. [2024-11-28 04:10:14,693 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 361 transitions. Word has length 33 [2024-11-28 04:10:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:14,694 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 361 transitions. [2024-11-28 04:10:14,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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 04:10:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 361 transitions. [2024-11-28 04:10:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:10:14,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:14,695 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:14,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (5)] Ended with exit code 0 [2024-11-28 04:10:14,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:10:14,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:14,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:14,896 INFO L85 PathProgramCache]: Analyzing trace with hash 275328103, now seen corresponding path program 1 times [2024-11-28 04:10:14,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:10:14,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873051084] [2024-11-28 04:10:14,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:14,897 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 04:10:14,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:10:14,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:10:14,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (6)] Waiting until timeout for monitored process [2024-11-28 04:10:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:15,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:10:15,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:20,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:10:20,335 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 35 treesize of output 19 [2024-11-28 04:10:22,288 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 04:10:22,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:10:22,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:10:22,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873051084] [2024-11-28 04:10:22,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873051084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:22,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:22,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:10:22,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155331510] [2024-11-28 04:10:22,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:22,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:10:22,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:10:22,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:10:22,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:10:22,290 INFO L87 Difference]: Start difference. First operand 273 states and 361 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 04:10:33,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:10:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:35,257 INFO L93 Difference]: Finished difference Result 488 states and 649 transitions. [2024-11-28 04:10:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:10:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 34 [2024-11-28 04:10:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:35,259 INFO L225 Difference]: With dead ends: 488 [2024-11-28 04:10:35,259 INFO L226 Difference]: Without dead ends: 267 [2024-11-28 04:10:35,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:10:35,262 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 61 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:35,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 2352 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-28 04:10:35,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-28 04:10:35,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2024-11-28 04:10:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.3333333333333333) internal successors, (344), 258 states have internal predecessors, (344), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:10:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 350 transitions. [2024-11-28 04:10:35,293 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 350 transitions. Word has length 34 [2024-11-28 04:10:35,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:35,293 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 350 transitions. [2024-11-28 04:10:35,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 04:10:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 350 transitions. [2024-11-28 04:10:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:10:35,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:35,295 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:35,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (6)] Ended with exit code 0 [2024-11-28 04:10:35,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:10:35,496 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:35,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:35,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2096411159, now seen corresponding path program 1 times [2024-11-28 04:10:35,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:10:35,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485875073] [2024-11-28 04:10:35,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:35,496 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 04:10:35,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:10:35,498 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:10:35,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (7)] Waiting until timeout for monitored process [2024-11-28 04:10:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:36,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 04:10:36,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:37,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:10:37,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-28 04:10:40,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:10:40,912 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 35 treesize of output 19 [2024-11-28 04:10:44,645 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 04:10:44,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:10:44,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:10:44,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485875073] [2024-11-28 04:10:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485875073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:44,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:44,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:10:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753202884] [2024-11-28 04:10:44,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:44,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:10:44,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:10:44,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:10:44,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:10:44,646 INFO L87 Difference]: Start difference. First operand 263 states and 350 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 04:10:58,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:12,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:13,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:11:15,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:11:18,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:21,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:11:26,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:30,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:34,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:11:38,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:42,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:11:46,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:48,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:50,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:54,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:11:58,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:02,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s 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 04:12:06,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:10,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s 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 04:12:15,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:19,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:23,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:12:27,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:31,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:12:35,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:39,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:43,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:12:47,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:51,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:12:53,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:55,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:12:59,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:01,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:06,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:08,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:13,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:17,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:21,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:13:25,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:29,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:13:33,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:37,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:41,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:13:45,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:49,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:13:53,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:13:55,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:14:01,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:14:01,778 INFO L93 Difference]: Finished difference Result 508 states and 673 transitions. [2024-11-28 04:14:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:14:01,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 34 [2024-11-28 04:14:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:14:01,788 INFO L225 Difference]: With dead ends: 508 [2024-11-28 04:14:01,788 INFO L226 Difference]: Without dead ends: 295 [2024-11-28 04:14:01,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:14:01,790 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 131 mSDsluCounter, 2070 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 4 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 191.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:14:01,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 2360 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 486 Invalid, 33 Unknown, 0 Unchecked, 191.4s Time] [2024-11-28 04:14:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-28 04:14:01,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 261. [2024-11-28 04:14:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.3203125) internal successors, (338), 256 states have internal predecessors, (338), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:14:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 344 transitions. [2024-11-28 04:14:01,816 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 344 transitions. Word has length 34 [2024-11-28 04:14:01,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:14:01,817 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 344 transitions. [2024-11-28 04:14:01,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 04:14:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 344 transitions. [2024-11-28 04:14:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:14:01,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:14:01,818 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:14:01,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:14:02,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:14:02,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:14:02,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:14:02,022 INFO L85 PathProgramCache]: Analyzing trace with hash -977343419, now seen corresponding path program 1 times [2024-11-28 04:14:02,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:14:02,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094440825] [2024-11-28 04:14:02,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:14:02,023 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 04:14:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:14:02,025 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 04:14:02,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e17d06a-fb1d-4a00-966f-22b3ad29bbfe/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 (8)] Waiting until timeout for monitored process [2024-11-28 04:14:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:14:03,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:14:03,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:14:08,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:14:08,871 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 35 treesize of output 19 [2024-11-28 04:14:12,922 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 04:14:12,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:14:12,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:14:12,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094440825] [2024-11-28 04:14:12,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094440825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:14:12,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:14:12,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:14:12,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372420317] [2024-11-28 04:14:12,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:14:12,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:14:12,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:14:12,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:14:12,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:14:12,925 INFO L87 Difference]: Start difference. First operand 261 states and 344 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 04:14:33,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:14:34,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:14:48,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:14:53,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:14:54,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:14:56,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:15:00,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:15:04,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:15:08,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:15:12,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:15:16,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:15:20,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:15:25,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:15:29,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]