./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.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_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:19:01,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:19:01,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:19:01,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:19:01,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:19:01,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:19:01,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:19:01,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:19:01,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:19:01,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:19:01,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:19:01,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:19:01,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:19:01,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:19:01,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:19:01,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:19:01,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:19:01,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:19:01,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:19:01,912 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:19:01,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:01,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:01,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:01,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:01,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:19:01,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:01,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:19:01,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:19:01,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:19:01,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:19:01,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:19:01,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:19:01,915 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_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 -> 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 [2024-11-28 05:19:02,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:19:02,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:19:02,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:19:02,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:19:02,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:19:02,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2024-11-28 05:19:07,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/5df91faad/3a4900869b834fe496d5abb9aa63efde/FLAG70edec041 [2024-11-28 05:19:08,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:19:08,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2024-11-28 05:19:08,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/5df91faad/3a4900869b834fe496d5abb9aa63efde/FLAG70edec041 [2024-11-28 05:19:08,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/5df91faad/3a4900869b834fe496d5abb9aa63efde [2024-11-28 05:19:08,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:19:08,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:19:08,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:08,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:19:08,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:19:08,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:08" (1/1) ... [2024-11-28 05:19:08,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6373bf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:08, skipping insertion in model container [2024-11-28 05:19:08,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:08" (1/1) ... [2024-11-28 05:19:08,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:19:08,543 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 05:19:08,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17373138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:08, skipping insertion in model container [2024-11-28 05:19:08,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:08,548 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 05:19:08,552 INFO L158 Benchmark]: Toolchain (without parser) took 249.14ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 83.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:08,553 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:19:08,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 83.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:08,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 83.7MB in the end (delta: 8.4MB). 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_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:19:11,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:19:11,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:19:11,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:19:11,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:19:11,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:19:11,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:19:11,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:19:11,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:19:11,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:19:11,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:19:11,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:19:11,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:19:11,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:19:11,767 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:19:11,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:19:11,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:19:11,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:19:11,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:19:11,772 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:11,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:19:11,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:19:11,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:11,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:19:11,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:19:11,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:19:11,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:19:11,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:19:11,778 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_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 -> 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 [2024-11-28 05:19:12,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:19:12,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:19:12,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:19:12,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:19:12,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:19:12,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2024-11-28 05:19:15,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/23d0cee4f/d45899a95af34d8cadfad175ad3ef809/FLAG386c279e2 [2024-11-28 05:19:15,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:19:15,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2024-11-28 05:19:15,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/23d0cee4f/d45899a95af34d8cadfad175ad3ef809/FLAG386c279e2 [2024-11-28 05:19:15,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/data/23d0cee4f/d45899a95af34d8cadfad175ad3ef809 [2024-11-28 05:19:15,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:19:15,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:19:15,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:15,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:19:15,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:19:15,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:15" (1/1) ... [2024-11-28 05:19:15,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429c69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:15, skipping insertion in model container [2024-11-28 05:19:15,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:15" (1/1) ... [2024-11-28 05:19:15,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:19:16,267 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_306bfef5-e80e-487d-be85-ae9a6b00edd5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2024-11-28 05:19:16,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:16,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:19:16,364 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_306bfef5-e80e-487d-be85-ae9a6b00edd5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2024-11-28 05:19:16,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:16,393 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:19:16,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16 WrapperNode [2024-11-28 05:19:16,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:16,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:16,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:19:16,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:19:16,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,459 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2024-11-28 05:19:16,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:16,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:19:16,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:19:16,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:19:16,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,530 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 2, 2, 7, 2, 2, 2, 7, 23, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 2, 0, 0, 4, 0, 0, 0, 4, 0, 0]. The 19 writes are split as follows [1, 0, 1, 1, 0, 1, 1, 1, 0, 12, 1]. [2024-11-28 05:19:16,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:19:16,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:19:16,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:19:16,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:19:16,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (1/1) ... [2024-11-28 05:19:16,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:16,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:16,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:19:16,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:19:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:19:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 05:19:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 05:19:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-28 05:19:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-28 05:19:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-28 05:19:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:19:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 05:19:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-28 05:19:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 05:19:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 05:19:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:19:16,894 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:19:16,896 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:19:44,242 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-28 05:19:44,242 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:19:44,264 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:19:44,267 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 05:19:44,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:44 BoogieIcfgContainer [2024-11-28 05:19:44,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:19:44,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:19:44,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:19:44,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:19:44,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:19:15" (1/3) ... [2024-11-28 05:19:44,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658b088e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:44, skipping insertion in model container [2024-11-28 05:19:44,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:16" (2/3) ... [2024-11-28 05:19:44,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658b088e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:44, skipping insertion in model container [2024-11-28 05:19:44,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:44" (3/3) ... [2024-11-28 05:19:44,283 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2024-11-28 05:19:44,324 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:19:44,327 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0680b.c that has 3 procedures, 84 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-28 05:19:44,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:19:44,410 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;@429639ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:19:44,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:19:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:19:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 05:19:44,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:44,422 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:44,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:44,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:44,430 INFO L85 PathProgramCache]: Analyzing trace with hash 844468498, now seen corresponding path program 1 times [2024-11-28 05:19:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:19:44,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676032697] [2024-11-28 05:19:44,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:44,449 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 05:19:44,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:19:44,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:44,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:45,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:19:45,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:45,629 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 05:19:45,629 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:45,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:19:45,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676032697] [2024-11-28 05:19:45,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676032697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:45,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:45,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:19:45,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781359769] [2024-11-28 05:19:45,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:45,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:19:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:19:45,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:19:45,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:19:45,659 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:45,691 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2024-11-28 05:19:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:19:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-28 05:19:45,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:45,699 INFO L225 Difference]: With dead ends: 166 [2024-11-28 05:19:45,699 INFO L226 Difference]: Without dead ends: 81 [2024-11-28 05:19:45,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:19:45,705 INFO L435 NwaCegarLoop]: 120 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, 120 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 05:19:45,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:19:45,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-28 05:19:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-28 05:19:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:19:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2024-11-28 05:19:45,745 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 10 [2024-11-28 05:19:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:45,745 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2024-11-28 05:19:45,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2024-11-28 05:19:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 05:19:45,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:45,746 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:45,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:45,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:45,947 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:45,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1686911100, now seen corresponding path program 1 times [2024-11-28 05:19:45,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:19:45,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304509033] [2024-11-28 05:19:45,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:45,949 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 05:19:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:19:45,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:45,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:47,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:19:47,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:47,890 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 05:19:47,920 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 30 treesize of output 14 [2024-11-28 05:19:48,659 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 05:19:48,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:48,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:19:48,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304509033] [2024-11-28 05:19:48,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304509033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:48,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:48,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:19:48,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806524487] [2024-11-28 05:19:48,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:48,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:19:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:19:48,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:19:48,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:19:48,665 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:50,202 INFO L93 Difference]: Finished difference Result 88 states and 124 transitions. [2024-11-28 05:19:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:19:50,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-28 05:19:50,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:50,203 INFO L225 Difference]: With dead ends: 88 [2024-11-28 05:19:50,204 INFO L226 Difference]: Without dead ends: 24 [2024-11-28 05:19:50,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:19:50,205 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 78 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:50,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 36 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:19:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-28 05:19:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2024-11-28 05:19:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-28 05:19:50,211 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 12 [2024-11-28 05:19:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:50,211 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-28 05:19:50,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-28 05:19:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:19:50,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:50,213 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:50,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:19:50,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:50,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:50,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:50,414 INFO L85 PathProgramCache]: Analyzing trace with hash 2051940266, now seen corresponding path program 1 times [2024-11-28 05:19:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:19:50,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712910031] [2024-11-28 05:19:50,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:50,415 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 05:19:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:19:50,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:50,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:51,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:19:51,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:52,061 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 05:19:52,086 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 30 treesize of output 14 [2024-11-28 05:19:52,747 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 05:19:52,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:52,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:19:52,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712910031] [2024-11-28 05:19:52,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712910031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:52,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:52,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:19:52,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893961626] [2024-11-28 05:19:52,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:52,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:52,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:19:52,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:52,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:52,750 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:53,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:53,697 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2024-11-28 05:19:53,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:53,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-28 05:19:53,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:53,698 INFO L225 Difference]: With dead ends: 32 [2024-11-28 05:19:53,698 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 05:19:53,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:19:53,699 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 40 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:53,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 38 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:19:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 05:19:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 05:19:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-28 05:19:53,705 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2024-11-28 05:19:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:53,705 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-28 05:19:53,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-28 05:19:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 05:19:53,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:53,706 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:53,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:53,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:53,907 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:53,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:53,908 INFO L85 PathProgramCache]: Analyzing trace with hash 958230418, now seen corresponding path program 1 times [2024-11-28 05:19:53,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:19:53,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842847731] [2024-11-28 05:19:53,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:53,909 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 05:19:53,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:19:53,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:55,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:19:55,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:55,309 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 05:19:55,342 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 30 treesize of output 14 [2024-11-28 05:19:55,615 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 05:19:55,643 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 30 treesize of output 14 [2024-11-28 05:19:57,304 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 05:19:57,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:57,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:19:57,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842847731] [2024-11-28 05:19:57,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842847731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:57,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:57,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:19:57,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278652249] [2024-11-28 05:19:57,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:57,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:19:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:19:57,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:19:57,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:19:57,307 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:58,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:58,911 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-28 05:19:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:19:58,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-28 05:19:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:58,914 INFO L225 Difference]: With dead ends: 27 [2024-11-28 05:19:58,914 INFO L226 Difference]: Without dead ends: 23 [2024-11-28 05:19:58,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:19:58,915 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 45 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:58,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 39 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:19:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-28 05:19:58,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-28 05:19:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-28 05:19:58,928 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 18 [2024-11-28 05:19:58,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:58,928 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-28 05:19:58,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-28 05:19:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 05:19:58,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:58,929 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 05:19:58,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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)] Forceful destruction successful, exit code 0 [2024-11-28 05:19:59,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:59,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:59,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash -361894909, now seen corresponding path program 1 times [2024-11-28 05:19:59,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:19:59,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298396033] [2024-11-28 05:19:59,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:59,131 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 05:19:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:19:59,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:19:59,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:00,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:20:00,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:01,677 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 05:20:01,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:20:01,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:20:01,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298396033] [2024-11-28 05:20:01,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298396033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:01,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:01,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:20:01,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243154556] [2024-11-28 05:20:01,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:01,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:20:01,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:01,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:01,679 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 5 states, 5 states have (on average 3.8) 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 05:20:02,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:20:04,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:20:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:05,583 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2024-11-28 05:20:05,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:20:05,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) 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 05:20:05,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:05,584 INFO L225 Difference]: With dead ends: 26 [2024-11-28 05:20:05,584 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 05:20:05,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:20:05,585 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:05,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 50 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 05:20:05,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 05:20:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 05:20:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2024-11-28 05:20:05,590 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 19 [2024-11-28 05:20:05,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:05,590 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2024-11-28 05:20:05,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) 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 05:20:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2024-11-28 05:20:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 05:20:05,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:05,592 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:05,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:05,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:05,793 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:05,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:05,793 INFO L85 PathProgramCache]: Analyzing trace with hash 40950939, now seen corresponding path program 1 times [2024-11-28 05:20:05,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:20:05,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4348646] [2024-11-28 05:20:05,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:05,794 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 05:20:05,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:20:05,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:05,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:06,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:20:06,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:07,035 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 05:20:07,054 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 30 treesize of output 14 [2024-11-28 05:20:08,089 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 05:20:08,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:20:08,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:20:08,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4348646] [2024-11-28 05:20:08,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4348646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:08,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:08,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:20:08,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558421619] [2024-11-28 05:20:08,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:08,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:20:08,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:20:08,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:20:08,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:20:08,091 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:08,924 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2024-11-28 05:20:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:20:08,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-28 05:20:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:08,924 INFO L225 Difference]: With dead ends: 22 [2024-11-28 05:20:08,924 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:20:08,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:20:08,926 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 30 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:08,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 18 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:20:08,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:20:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:20:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:20:08,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-28 05:20:08,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:08,928 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:20:08,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:20:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:20:08,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:20:08,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:20:08,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:09,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/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 05:20:09,136 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 05:20:09,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:20:09,521 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:20:09,534 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-28 05:20:09,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 05:20:09,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-28 05:20:09,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 05:20:09,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-28 05:20:09,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:20:09,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-28 05:20:09,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:20:09,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 05:20:09,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-28 05:20:09,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:20:09 BoogieIcfgContainer [2024-11-28 05:20:09,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:20:09,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:20:09,541 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:20:09,541 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:20:09,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:44" (3/4) ... [2024-11-28 05:20:09,545 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:20:09,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-28 05:20:09,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-28 05:20:09,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-28 05:20:09,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 05:20:09,568 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:20:09,568 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:20:09,714 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:20:09,715 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:20:09,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:20:09,717 INFO L158 Benchmark]: Toolchain (without parser) took 53813.13ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,717 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:09,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.94ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 77.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.32ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:09,719 INFO L158 Benchmark]: Boogie Preprocessor took 137.91ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 70.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,719 INFO L158 Benchmark]: RCFGBuilder took 27665.54ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 40.0MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,719 INFO L158 Benchmark]: TraceAbstraction took 25267.08ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 87.0MB in the end (delta: -47.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,720 INFO L158 Benchmark]: Witness Printer took 174.81ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 79.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:20:09,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.94ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 77.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.32ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 137.91ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 70.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 27665.54ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 40.0MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25267.08ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 87.0MB in the end (delta: -47.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 174.81ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 79.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 301 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 187 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 91 ConstructedInterpolants, 14 QuantifiedInterpolants, 1194 SizeOfPredicates, 28 NumberOfNonLiveVariables, 812 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 05:20:09,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306bfef5-e80e-487d-be85-ae9a6b00edd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE