./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.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_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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_ddb3eeb3-36a9-468b-8903-93b33652805d/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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:10:21,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:10:22,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:10:22,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:10:22,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:10:22,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:10:22,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:10:22,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:10:22,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:10:22,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:10:22,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:10:22,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:10:22,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:10:22,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:10:22,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:10:22,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:10:22,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:10:22,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:10:22,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:10:22,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:10:22,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:10:22,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:10:22,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:10:22,064 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:10:22,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:22,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:22,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:22,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:22,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:22,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:10:22,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:10:22,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:10:22,067 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_ddb3eeb3-36a9-468b-8903-93b33652805d/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 -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2024-11-28 05:10:22,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:10:22,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:10:22,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:10:22,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:10:22,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:10:22,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-28 05:10:26,200 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/e93b1031c/9987d3a6d4fa494a99bfe4dc93f305a7/FLAG39b947dd1 [2024-11-28 05:10:26,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:10:26,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-28 05:10:26,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/e93b1031c/9987d3a6d4fa494a99bfe4dc93f305a7/FLAG39b947dd1 [2024-11-28 05:10:26,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/e93b1031c/9987d3a6d4fa494a99bfe4dc93f305a7 [2024-11-28 05:10:26,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:10:26,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:10:26,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:26,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:10:26,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:10:26,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:26" (1/1) ... [2024-11-28 05:10:26,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b69e8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:26, skipping insertion in model container [2024-11-28 05:10:26,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:26" (1/1) ... [2024-11-28 05:10:26,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:10:27,062 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 05:10:27,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae502a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:27, skipping insertion in model container [2024-11-28 05:10:27,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:27,064 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 05:10:27,067 INFO L158 Benchmark]: Toolchain (without parser) took 258.16ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 83.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:10:27,067 INFO L158 Benchmark]: CDTParser took 2.15ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:10:27,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.43ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 83.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:10:27,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.43ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 83.1MB in the end (delta: 8.7MB). 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_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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_ddb3eeb3-36a9-468b-8903-93b33652805d/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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:10:30,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:10:30,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:10:30,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:10:30,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:10:30,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:10:30,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:10:30,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:10:30,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:10:30,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:10:30,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:10:30,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:10:30,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:10:30,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:10:30,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:10:30,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:10:30,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:10:30,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:10:30,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:10:30,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:10:30,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:10:30,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:10:30,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:10:30,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:10:30,473 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:10:30,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:30,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:30,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:30,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:30,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:10:30,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:30,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:30,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:30,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:30,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:10:30,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:10:30,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:10:30,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:10:30,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:10:30,476 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_ddb3eeb3-36a9-468b-8903-93b33652805d/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 -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2024-11-28 05:10:30,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:10:30,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:10:30,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:10:30,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:10:30,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:10:30,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-28 05:10:34,601 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/b118f0335/259507da238c4d818799f1ebc482a484/FLAG6cb469d06 [2024-11-28 05:10:34,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:10:34,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-28 05:10:34,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/b118f0335/259507da238c4d818799f1ebc482a484/FLAG6cb469d06 [2024-11-28 05:10:35,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/data/b118f0335/259507da238c4d818799f1ebc482a484 [2024-11-28 05:10:35,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:10:35,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:10:35,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:35,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:10:35,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:10:35,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374839d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35, skipping insertion in model container [2024-11-28 05:10:35,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:10:35,636 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_ddb3eeb3-36a9-468b-8903-93b33652805d/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-28 05:10:35,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:35,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:10:35,778 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_ddb3eeb3-36a9-468b-8903-93b33652805d/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-28 05:10:35,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:35,821 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:10:35,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35 WrapperNode [2024-11-28 05:10:35,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:35,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:35,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:10:35,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:10:35,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,902 INFO L138 Inliner]: procedures = 24, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 235 [2024-11-28 05:10:35,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:35,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:10:35,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:10:35,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:10:35,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,980 INFO L175 MemorySlicer]: Split 55 memory accesses to 12 slices as follows [2, 2, 2, 7, 7, 2, 23, 2, 2, 2, 2, 2]. 42 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 20 writes are split as follows [0, 1, 1, 0, 0, 1, 12, 1, 1, 1, 1, 1]. [2024-11-28 05:10:35,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:35,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,007 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:10:36,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:10:36,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:10:36,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:10:36,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (1/1) ... [2024-11-28 05:10:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:36,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:10:36,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:10:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:10:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 05:10:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 05:10:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 05:10:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 05:10:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 05:10:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-28 05:10:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 05:10:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-28 05:10:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:10:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 05:10:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-28 05:10:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 05:10:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 05:10:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 05:10:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:10:36,498 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:10:36,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:11:05,851 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-28 05:11:05,851 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:11:05,869 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:11:05,872 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-28 05:11:05,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:11:05 BoogieIcfgContainer [2024-11-28 05:11:05,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:11:05,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:11:05,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:11:05,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:11:05,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:35" (1/3) ... [2024-11-28 05:11:05,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e814366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:11:05, skipping insertion in model container [2024-11-28 05:11:05,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:35" (2/3) ... [2024-11-28 05:11:05,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e814366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:11:05, skipping insertion in model container [2024-11-28 05:11:05,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:11:05" (3/3) ... [2024-11-28 05:11:05,889 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682a.c [2024-11-28 05:11:05,908 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:11:05,910 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0682a.c that has 3 procedures, 90 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-28 05:11:05,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:11:06,005 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;@4a7b7807, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:11:06,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:11:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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 05:11:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 05:11:06,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:06,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:06,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:06,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1810407063, now seen corresponding path program 1 times [2024-11-28 05:11:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:06,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418910047] [2024-11-28 05:11:06,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:06,035 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 05:11:06,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:06,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:06,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:07,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:11:07,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:07,336 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 05:11:07,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:07,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:07,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418910047] [2024-11-28 05:11:07,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418910047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:07,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:07,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:11:07,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178715335] [2024-11-28 05:11:07,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:07,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:11:07,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:07,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:11:07,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:11:07,374 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:11:07,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:07,410 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2024-11-28 05:11:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:11:07,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-28 05:11:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:07,421 INFO L225 Difference]: With dead ends: 178 [2024-11-28 05:11:07,421 INFO L226 Difference]: Without dead ends: 86 [2024-11-28 05:11:07,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 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 05:11:07,429 INFO L435 NwaCegarLoop]: 127 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, 127 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 05:11:07,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:11:07,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-28 05:11:07,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-28 05:11:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 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 05:11:07,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2024-11-28 05:11:07,500 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 14 [2024-11-28 05:11:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:07,500 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2024-11-28 05:11:07,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:11:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-28 05:11:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:11:07,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:07,502 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 05:11:07,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:07,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:07,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:07,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:07,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1359368000, now seen corresponding path program 1 times [2024-11-28 05:11:07,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:07,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532461719] [2024-11-28 05:11:07,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:07,705 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 05:11:07,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:07,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:07,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:09,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:11:09,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:10,083 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 05:11:10,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-28 05:11:10,942 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 05:11:10,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:10,943 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:10,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532461719] [2024-11-28 05:11:10,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532461719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:10,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:10,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:11:10,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588632040] [2024-11-28 05:11:10,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:10,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:11:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:10,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:11:10,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:11:10,946 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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 05:11:13,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:13,767 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2024-11-28 05:11:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:11:13,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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 05:11:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:13,770 INFO L225 Difference]: With dead ends: 162 [2024-11-28 05:11:13,770 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 05:11:13,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:11:13,772 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 196 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:13,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 484 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:11:13,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 05:11:13,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 78. [2024-11-28 05:11:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:11:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2024-11-28 05:11:13,786 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 17 [2024-11-28 05:11:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:13,786 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2024-11-28 05:11:13,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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 05:11:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2024-11-28 05:11:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 05:11:13,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:13,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:13,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:13,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:13,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:13,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:13,989 INFO L85 PathProgramCache]: Analyzing trace with hash 526243611, now seen corresponding path program 1 times [2024-11-28 05:11:13,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:13,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273060706] [2024-11-28 05:11:13,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:13,990 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 05:11:13,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:13,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:13,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:15,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:11:15,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:15,340 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 05:11:15,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-28 05:11:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:11:19,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:19,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:19,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273060706] [2024-11-28 05:11:19,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273060706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:19,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:19,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:11:19,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706115565] [2024-11-28 05:11:19,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:19,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:11:19,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:19,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:11:19,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:11:19,625 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 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 05:11:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:21,831 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2024-11-28 05:11:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:11:21,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-28 05:11:21,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:21,835 INFO L225 Difference]: With dead ends: 128 [2024-11-28 05:11:21,835 INFO L226 Difference]: Without dead ends: 74 [2024-11-28 05:11:21,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:11:21,837 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 89 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:21,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 565 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:11:21,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-28 05:11:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-11-28 05:11:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:11:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-28 05:11:21,859 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 23 [2024-11-28 05:11:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:21,859 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-28 05:11:21,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 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 05:11:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-28 05:11:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 05:11:21,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:21,861 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:21,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:22,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:22,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:22,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:22,063 INFO L85 PathProgramCache]: Analyzing trace with hash 549123099, now seen corresponding path program 1 times [2024-11-28 05:11:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:22,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7324697] [2024-11-28 05:11:22,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:22,065 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 05:11:22,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:22,068 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:22,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:23,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:11:23,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:23,603 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 05:11:23,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-28 05:11:24,469 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 05:11:24,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:24,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:24,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7324697] [2024-11-28 05:11:24,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7324697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:24,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:24,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:11:24,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810843962] [2024-11-28 05:11:24,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:24,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:11:24,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:24,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:11:24,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:11:24,471 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:11:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:26,254 INFO L93 Difference]: Finished difference Result 91 states and 114 transitions. [2024-11-28 05:11:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:11:26,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-28 05:11:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:26,258 INFO L225 Difference]: With dead ends: 91 [2024-11-28 05:11:26,258 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 05:11:26,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:11:26,260 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 117 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:26,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 390 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:11:26,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 05:11:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2024-11-28 05:11:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:11:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2024-11-28 05:11:26,298 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 23 [2024-11-28 05:11:26,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:26,298 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2024-11-28 05:11:26,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:11:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2024-11-28 05:11:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:11:26,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:26,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:26,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:26,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:26,500 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:26,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash -598401546, now seen corresponding path program 1 times [2024-11-28 05:11:26,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:26,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853145412] [2024-11-28 05:11:26,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:26,502 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 05:11:26,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:26,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:26,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:27,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:11:27,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:30,254 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 05:11:30,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:30,254 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:30,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853145412] [2024-11-28 05:11:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853145412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:30,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:30,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:11:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142106233] [2024-11-28 05:11:30,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:30,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:11:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:30,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:11:30,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:11:30,256 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 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 05:11:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:32,581 INFO L93 Difference]: Finished difference Result 91 states and 112 transitions. [2024-11-28 05:11:32,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:11:32,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 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) Word has length 25 [2024-11-28 05:11:32,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:32,583 INFO L225 Difference]: With dead ends: 91 [2024-11-28 05:11:32,584 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 05:11:32,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:11:32,585 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 145 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:32,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 441 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:11:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 05:11:32,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2024-11-28 05:11:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:11:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2024-11-28 05:11:32,597 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 25 [2024-11-28 05:11:32,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:32,597 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2024-11-28 05:11:32,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 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 05:11:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2024-11-28 05:11:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 05:11:32,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:32,598 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:32,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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)] Forceful destruction successful, exit code 0 [2024-11-28 05:11:32,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:32,799 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:11:32,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1371058058, now seen corresponding path program 1 times [2024-11-28 05:11:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:11:32,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925038590] [2024-11-28 05:11:32,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:32,800 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 05:11:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:11:32,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:32,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:11:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:34,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:11:34,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:36,114 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 05:11:36,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:11:36,114 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:11:36,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925038590] [2024-11-28 05:11:36,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925038590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:11:36,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:11:36,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:11:36,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214730905] [2024-11-28 05:11:36,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:11:36,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:11:36,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:11:36,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:11:36,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:11:36,116 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 05:11:38,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:11:40,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:11:50,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:11:54,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:11:58,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:01,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:05,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:09,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:13,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:18,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:22,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:26,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:31,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:35,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:39,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:41,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:12:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:41,757 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2024-11-28 05:12:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:12:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2024-11-28 05:12:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:41,786 INFO L225 Difference]: With dead ends: 77 [2024-11-28 05:12:41,786 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 05:12:41,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:12:41,787 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 69 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:41,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 192 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 12 Unknown, 0 Unchecked, 65.1s Time] [2024-11-28 05:12:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 05:12:41,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 05:12:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 67 states have internal predecessors, (83), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:12:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2024-11-28 05:12:41,809 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 26 [2024-11-28 05:12:41,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:41,809 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2024-11-28 05:12:41,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 05:12:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2024-11-28 05:12:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 05:12:41,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:41,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:41,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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)] Ended with exit code 0 [2024-11-28 05:12:42,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:12:42,011 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:12:42,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:42,011 INFO L85 PathProgramCache]: Analyzing trace with hash 573785804, now seen corresponding path program 1 times [2024-11-28 05:12:42,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:12:42,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101577883] [2024-11-28 05:12:42,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:42,012 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 05:12:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:12:42,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:12:42,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 05:12:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:43,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:12:43,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:12:45,243 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 05:12:45,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:12:45,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:12:45,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101577883] [2024-11-28 05:12:45,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101577883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:45,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:45,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:12:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336307774] [2024-11-28 05:12:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:45,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:12:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:12:45,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:12:45,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:12:45,246 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 05:12:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:46,652 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2024-11-28 05:12:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:12:46,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2024-11-28 05:12:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:46,653 INFO L225 Difference]: With dead ends: 73 [2024-11-28 05:12:46,653 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:12:46,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:12:46,658 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 23 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:46,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 74 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:12:46,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:12:46,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:12:46,660 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 05:12:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:12:46,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-11-28 05:12:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:46,662 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:12:46,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 05:12:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:12:46,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:12:46,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:12:46,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 05:12:46,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/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 05:12:46,871 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:46,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:12:48,378 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:12:48,408 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,409 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,409 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,409 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,410 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,410 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 05:12:48,411 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,411 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,411 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,411 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,412 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,412 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,412 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 05:12:48,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 05:12:48,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-28 05:12:48,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 05:12:48,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 05:12:48,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:12:48 BoogieIcfgContainer [2024-11-28 05:12:48,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:12:48,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:12:48,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:12:48,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:12:48,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:11:05" (3/4) ... [2024-11-28 05:12:48,423 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:12:48,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-28 05:12:48,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-28 05:12:48,442 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-28 05:12:48,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 05:12:48,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:12:48,449 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:12:48,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:12:48,604 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:12:48,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:12:48,605 INFO L158 Benchmark]: Toolchain (without parser) took 133393.77ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 40.1MB in the end (delta: 20.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,606 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:12:48,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.75ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.44ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 42.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:12:48,607 INFO L158 Benchmark]: Boogie Preprocessor took 129.02ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 37.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,607 INFO L158 Benchmark]: RCFGBuilder took 29834.64ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 42.0MB in the end (delta: -4.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,608 INFO L158 Benchmark]: TraceAbstraction took 102538.57ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 47.4MB in the end (delta: -6.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,608 INFO L158 Benchmark]: Witness Printer took 188.61ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 40.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:12:48,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.75ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.44ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 42.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 129.02ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 37.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 29834.64ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 42.0MB in the end (delta: -4.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 102538.57ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 47.4MB in the end (delta: -6.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 188.61ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 40.1MB 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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 244]: 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, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 100.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 76.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 641 SdHoareTripleChecker+Valid, 70.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 639 mSDsluCounter, 2273 SdHoareTripleChecker+Invalid, 70.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1740 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 533 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 7.3s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 152 ConstructedInterpolants, 82 QuantifiedInterpolants, 2372 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1089 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 05:12:48,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb3eeb3-36a9-468b-8903-93b33652805d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE