./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:40:13,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:13,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:40:13,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:13,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:13,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:13,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:13,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:13,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:40:13,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:40:13,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:13,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:13,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:13,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:13,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:13,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:13,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:13,600 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:13,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:13,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:13,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:13,601 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:40:13,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:40:13,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:40:13,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:40:13,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:13,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:13,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:13,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:13,604 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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2024-11-28 02:40:13,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:13,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:13,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:13,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:13,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:13,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2024-11-28 02:40:17,233 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/8fa94abb2/765804ad35954b9e8fb5295be7e4c270/FLAGd8754c3a8 [2024-11-28 02:40:17,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:17,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2024-11-28 02:40:17,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/8fa94abb2/765804ad35954b9e8fb5295be7e4c270/FLAGd8754c3a8 [2024-11-28 02:40:17,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/8fa94abb2/765804ad35954b9e8fb5295be7e4c270 [2024-11-28 02:40:17,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:17,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:17,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:17,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:17,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:17,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:17" (1/1) ... [2024-11-28 02:40:17,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b867ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:17, skipping insertion in model container [2024-11-28 02:40:17,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:17" (1/1) ... [2024-11-28 02:40:17,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:18,065 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 02:40:18,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38cb9756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18, skipping insertion in model container [2024-11-28 02:40:18,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:18,067 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 02:40:18,071 INFO L158 Benchmark]: Toolchain (without parser) took 228.99ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 110.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:18,074 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:18,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.62ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 110.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:18,076 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 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.62ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 110.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9]: Unsupported Syntax floats in unions are not supported in the integer translation. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:40:21,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:21,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:40:21,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:21,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:21,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:21,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:21,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:21,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:40:21,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:40:21,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:21,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:21,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:21,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:21,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:21,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:21,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:40:21,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:40:21,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:40:21,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:21,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:40:21,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:21,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:40:21,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:21,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:21,306 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:21,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:21,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:21,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:21,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:21,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:21,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:21,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:21,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:21,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:21,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:21,309 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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2024-11-28 02:40:21,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:21,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:21,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:21,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:21,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:21,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2024-11-28 02:40:25,076 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/38804a08c/b59cf0d4a2cb40d88ab3a4140db51035/FLAG1c7af6f14 [2024-11-28 02:40:25,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:25,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2024-11-28 02:40:25,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/38804a08c/b59cf0d4a2cb40d88ab3a4140db51035/FLAG1c7af6f14 [2024-11-28 02:40:25,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/data/38804a08c/b59cf0d4a2cb40d88ab3a4140db51035 [2024-11-28 02:40:25,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:25,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:25,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:25,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:25,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:25,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2cac27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25, skipping insertion in model container [2024-11-28 02:40:25,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:25,796 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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2024-11-28 02:40:25,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:25,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:40:25,894 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_3724ba84-b0f0-4b6f-8c93-a614013d3f54/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2024-11-28 02:40:25,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:25,914 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:40:25,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25 WrapperNode [2024-11-28 02:40:25,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:25,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:25,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:40:25,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:40:25,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,968 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 247 [2024-11-28 02:40:25,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:25,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:40:25,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:40:25,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:40:25,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:25,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,016 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 2, 10, 2]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]. The 24 writes are split as follows [0, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 1, 6, 1]. [2024-11-28 02:40:26,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:40:26,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:40:26,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:40:26,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:40:26,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (1/1) ... [2024-11-28 02:40:26,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:26,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:26,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:40:26,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 02:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 02:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 02:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 02:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:40:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 02:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 02:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 02:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 02:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 02:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 02:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 02:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 02:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 02:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-28 02:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:40:26,394 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:40:26,397 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:40:31,571 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-28 02:40:31,571 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:40:31,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:40:31,589 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-28 02:40:31,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:31 BoogieIcfgContainer [2024-11-28 02:40:31,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:40:31,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:40:31,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:40:31,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:40:31,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:25" (1/3) ... [2024-11-28 02:40:31,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d4f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:31, skipping insertion in model container [2024-11-28 02:40:31,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25" (2/3) ... [2024-11-28 02:40:31,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d4f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:31, skipping insertion in model container [2024-11-28 02:40:31,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:31" (3/3) ... [2024-11-28 02:40:31,602 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2024-11-28 02:40:31,618 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:40:31,619 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211a.c that has 1 procedures, 52 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2024-11-28 02:40:31,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:40:31,701 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;@67a206a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:40:31,701 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:40:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:40:31,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:31,713 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:31,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:31,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:31,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1726397880, now seen corresponding path program 1 times [2024-11-28 02:40:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:31,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386696739] [2024-11-28 02:40:31,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:31,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:31,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:40:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:31,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:40:31,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:31,971 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:31,973 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:31,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386696739] [2024-11-28 02:40:31,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386696739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:31,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:31,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:31,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897959745] [2024-11-28 02:40:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:31,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:40:31,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:32,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:40:32,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:40:32,007 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:32,033 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2024-11-28 02:40:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:40:32,035 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2024-11-28 02:40:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:32,043 INFO L225 Difference]: With dead ends: 102 [2024-11-28 02:40:32,045 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 02:40:32,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:40:32,053 INFO L435 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:32,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:40:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 02:40:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 02:40:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-11-28 02:40:32,091 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2024-11-28 02:40:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:32,091 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-11-28 02:40:32,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-28 02:40:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 02:40:32,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:32,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:32,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:40:32,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:32,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:32,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:32,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1939089978, now seen corresponding path program 1 times [2024-11-28 02:40:32,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:32,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075197782] [2024-11-28 02:40:32,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:32,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:32,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:32,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:40:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:32,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:40:32,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:32,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:32,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:32,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075197782] [2024-11-28 02:40:32,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075197782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:32,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:32,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:32,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085438686] [2024-11-28 02:40:32,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:32,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:32,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:32,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:32,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:32,933 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:33,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:33,701 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2024-11-28 02:40:33,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:33,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-28 02:40:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:33,703 INFO L225 Difference]: With dead ends: 64 [2024-11-28 02:40:33,703 INFO L226 Difference]: Without dead ends: 27 [2024-11-28 02:40:33,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:33,705 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:33,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:40:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-28 02:40:33,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-28 02:40:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-28 02:40:33,711 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2024-11-28 02:40:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:33,711 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-28 02:40:33,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-28 02:40:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 02:40:33,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:33,712 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] [2024-11-28 02:40:33,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:40:33,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:33,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:33,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1275904163, now seen corresponding path program 1 times [2024-11-28 02:40:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:33,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070061054] [2024-11-28 02:40:33,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:33,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:33,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:33,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:33,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:40:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:34,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:40:34,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:34,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:34,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070061054] [2024-11-28 02:40:34,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070061054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:34,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:34,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:40:34,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646968039] [2024-11-28 02:40:34,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:34,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:34,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:34,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:34,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:34,514 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:34,559 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2024-11-28 02:40:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:34,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-11-28 02:40:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:34,562 INFO L225 Difference]: With dead ends: 30 [2024-11-28 02:40:34,563 INFO L226 Difference]: Without dead ends: 27 [2024-11-28 02:40:34,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:34,564 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:34,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:40:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-28 02:40:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-28 02:40:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-28 02:40:34,569 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2024-11-28 02:40:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:34,573 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-28 02:40:34,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-28 02:40:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 02:40:34,574 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:34,575 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] [2024-11-28 02:40:34,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:34,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:34,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:34,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2054894956, now seen corresponding path program 1 times [2024-11-28 02:40:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806621431] [2024-11-28 02:40:34,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:34,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:34,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:34,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:34,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 02:40:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:35,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:40:35,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:35,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:35,502 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806621431] [2024-11-28 02:40:35,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806621431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:35,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:40:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095683994] [2024-11-28 02:40:35,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:35,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:35,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:35,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:35,504 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:37,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:40:37,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:37,968 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2024-11-28 02:40:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-28 02:40:37,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:37,969 INFO L225 Difference]: With dead ends: 31 [2024-11-28 02:40:37,969 INFO L226 Difference]: Without dead ends: 27 [2024-11-28 02:40:37,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:37,971 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:37,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 02:40:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-28 02:40:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-28 02:40:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 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 02:40:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2024-11-28 02:40:37,975 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2024-11-28 02:40:37,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:37,975 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2024-11-28 02:40:37,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2024-11-28 02:40:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 02:40:37,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:37,977 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 02:40:37,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:40:38,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:38,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:38,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:38,178 INFO L85 PathProgramCache]: Analyzing trace with hash -63526377, now seen corresponding path program 1 times [2024-11-28 02:40:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:38,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537698806] [2024-11-28 02:40:38,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:38,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 02:40:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:38,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:40:38,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:40,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:40,358 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537698806] [2024-11-28 02:40:40,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537698806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:40,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:40,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:40:40,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469167405] [2024-11-28 02:40:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:40,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:40:40,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:40,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:40:40,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:40,360 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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 02:40:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:42,491 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2024-11-28 02:40:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:40:42,492 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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 02:40:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:42,493 INFO L225 Difference]: With dead ends: 27 [2024-11-28 02:40:42,493 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:40:42,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:40:42,494 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:42,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 111 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:40:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:40:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:40:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:40:42,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-11-28 02:40:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:42,497 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:40:42,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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 02:40:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:40:42,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:40:42,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:40:42,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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 02:40:42,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:42,704 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:40:42,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:40:42,901 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:40:42,913 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,915 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,915 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,915 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,916 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,917 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,917 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,917 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 02:40:42,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:40:42 BoogieIcfgContainer [2024-11-28 02:40:42,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:40:42,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:40:42,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:40:42,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:40:42,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:31" (3/4) ... [2024-11-28 02:40:42,922 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:40:42,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-28 02:40:42,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-28 02:40:42,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:40:42,937 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:40:43,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:40:43,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:40:43,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:40:43,063 INFO L158 Benchmark]: Toolchain (without parser) took 17593.01ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 34.8MB in the end (delta: 25.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-28 02:40:43,065 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:43,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.34ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 46.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:40:43,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.69ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:43,066 INFO L158 Benchmark]: Boogie Preprocessor took 116.64ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 39.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:43,066 INFO L158 Benchmark]: RCFGBuilder took 5502.68ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 51.1MB in the end (delta: -11.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-28 02:40:43,067 INFO L158 Benchmark]: TraceAbstraction took 11324.62ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 40.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-28 02:40:43,067 INFO L158 Benchmark]: Witness Printer took 144.08ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 34.8MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:43,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.34ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 46.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.69ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 116.64ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 39.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5502.68ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 51.1MB in the end (delta: -11.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11324.62ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 40.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 144.08ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 34.8MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 143 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 913 SizeOfPredicates, 15 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 02:40:43,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3724ba84-b0f0-4b6f-8c93-a614013d3f54/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