./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC --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 fffafeb9226906a2b46ec5ef64bbbcb0cca40cbc27ac0739e5765ba82ad348ec
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:46:37,167 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:46:37,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 22:46:37,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:46:37,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:46:37,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:46:37,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:46:37,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:46:37,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 22:46:37,312 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 22:46:37,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:46:37,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:46:37,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:46:37,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:46:37,314 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:46:37,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:46:37,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:46:37,315 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 22:46:37,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 22:46:37,315 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 22:46:37,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:46:37,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:46:37,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:46:37,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:46:37,316 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 22:46:37,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:46:37,317 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:46:37,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:46:37,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:46:37,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:46:37,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:46:37,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:46:37,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:46:37,320 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_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC
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 -> fffafeb9226906a2b46ec5ef64bbbcb0cca40cbc27ac0739e5765ba82ad348ec
[2024-11-23 22:46:37,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:46:37,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:46:37,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:46:37,667 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:46:37,667 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:46:37,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i
[2024-11-23 22:46:40,694 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/e58cd56c8/93ead202230347c4aa5ea7e0f9de430f/FLAG4294680a9
[2024-11-23 22:46:41,066 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:46:41,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i
[2024-11-23 22:46:41,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/e58cd56c8/93ead202230347c4aa5ea7e0f9de430f/FLAG4294680a9
[2024-11-23 22:46:41,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/e58cd56c8/93ead202230347c4aa5ea7e0f9de430f
[2024-11-23 22:46:41,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:46:41,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:46:41,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:46:41,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:46:41,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:46:41,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:41" (1/1) ...
[2024-11-23 22:46:41,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfe012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:41, skipping insertion in model container
[2024-11-23 22:46:41,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:41" (1/1) ...
[2024-11-23 22:46:41,170 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:46:41,822 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:782)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1752)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:94)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-11-23 22:46:41,828 INFO L158 Benchmark]: Toolchain (without parser) took 714.10ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 75.9MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:46:41,829 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:46:41,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.74ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 75.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:46:41,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 711.74ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 75.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan
de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
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_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC --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 fffafeb9226906a2b46ec5ef64bbbcb0cca40cbc27ac0739e5765ba82ad348ec
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:46:44,188 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:46:44,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-23 22:46:44,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:46:44,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:46:44,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:46:44,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:46:44,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:46:44,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 22:46:44,365 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 22:46:44,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:46:44,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:46:44,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:46:44,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:46:44,366 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:46:44,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:46:44,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:46:44,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:46:44,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:46:44,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:46:44,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 22:46:44,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:46:44,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:46:44,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:46:44,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:46:44,370 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_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC
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 -> fffafeb9226906a2b46ec5ef64bbbcb0cca40cbc27ac0739e5765ba82ad348ec
[2024-11-23 22:46:44,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:46:44,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:46:44,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:46:44,721 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:46:44,722 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:46:44,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i
[2024-11-23 22:46:47,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/42b041229/8e235158c28a40978cba97b37824cfea/FLAG08efbc93e
[2024-11-23 22:46:48,225 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:46:48,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i
[2024-11-23 22:46:48,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/42b041229/8e235158c28a40978cba97b37824cfea/FLAG08efbc93e
[2024-11-23 22:46:48,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/data/42b041229/8e235158c28a40978cba97b37824cfea
[2024-11-23 22:46:48,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:46:48,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:46:48,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:46:48,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:46:48,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:46:48,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:48" (1/1) ...
[2024-11-23 22:46:48,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f73c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:48, skipping insertion in model container
[2024-11-23 22:46:48,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:48" (1/1) ...
[2024-11-23 22:46:48,384 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:46:49,274 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_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i[63474,63487]
[2024-11-23 22:46:49,278 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:46:49,290 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 22:46:49,383 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_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/sv-benchmarks/c/neural-networks/softmax_7_unsafe.c-amalgamation.i[63474,63487]
[2024-11-23 22:46:49,387 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:46:49,577 INFO L204 MainTranslator]: Completed translation
[2024-11-23 22:46:49,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49 WrapperNode
[2024-11-23 22:46:49,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:46:49,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:46:49,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:46:49,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:46:49,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,655 INFO L138 Inliner]: procedures = 562, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106
[2024-11-23 22:46:49,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:46:49,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:46:49,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:46:49,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:46:49,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,686 INFO L175 MemorySlicer]: Split 21 memory accesses to 4 slices as follows [2, 7, 8, 4]. 38 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 4 writes are split as follows [0, 0, 2, 2].
[2024-11-23 22:46:49,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,695 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:46:49,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:46:49,707 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:46:49,708 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:46:49,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ...
[2024-11-23 22:46:49,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:46:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:46:49,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:46:49,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:46:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-23 22:46:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-23 22:46:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-23 22:46:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-23 22:46:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:46:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:46:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:46:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-23 22:46:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-23 22:46:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-23 22:46:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-23 22:46:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 22:46:49,932 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 22:46:49,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:46:51,065 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-23 22:46:51,066 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 22:46:51,080 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:46:51,080 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-23 22:46:51,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:51 BoogieIcfgContainer
[2024-11-23 22:46:51,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:46:51,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:46:51,083 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:46:51,089 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:46:51,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:46:48" (1/3) ...
[2024-11-23 22:46:51,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119aa117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:46:51, skipping insertion in model container
[2024-11-23 22:46:51,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (2/3) ...
[2024-11-23 22:46:51,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119aa117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:46:51, skipping insertion in model container
[2024-11-23 22:46:51,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:51" (3/3) ...
[2024-11-23 22:46:51,092 INFO L128 eAbstractionObserver]: Analyzing ICFG softmax_7_unsafe.c-amalgamation.i
[2024-11-23 22:46:51,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:46:51,111 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softmax_7_unsafe.c-amalgamation.i that has 1 procedures, 26 locations, 1 initial locations, 4 loop locations, and 1 error locations.
[2024-11-23 22:46:51,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:46:51,171 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;@483870c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:46:51,171 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 22:46:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 25 states have internal predecessors, (37), 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)
[2024-11-23 22:46:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-23 22:46:51,181 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:51,181 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:51,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:51,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:51,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1782050699, now seen corresponding path program 1 times
[2024-11-23 22:46:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:51,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503009337]
[2024-11-23 22:46:51,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:46:51,203 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
[2024-11-23 22:46:51,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:51,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:51,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:46:51,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:51,383 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:46:51,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 22:46:51,403 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:51,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503009337]
[2024-11-23 22:46:51,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503009337] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:46:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:46:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:46:51,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716606946]
[2024-11-23 22:46:51,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:46:51,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 22:46:51,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:51,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 22:46:51,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 22:46:51,441 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 25 states have internal predecessors, (37), 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)
[2024-11-23 22:46:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:51,455 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions.
[2024-11-23 22:46:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 22:46:51,457 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
[2024-11-23 22:46:51,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:51,465 INFO L225 Difference]: With dead ends: 49
[2024-11-23 22:46:51,465 INFO L226 Difference]: Without dead ends: 22
[2024-11-23 22:46:51,468 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
[2024-11-23 22:46:51,471 INFO L435 NwaCegarLoop]: 30 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, 30 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
[2024-11-23 22:46:51,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 22:46:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-23 22:46:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-23 22:46:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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)
[2024-11-23 22:46:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-11-23 22:46:51,533 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15
[2024-11-23 22:46:51,533 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:51,533 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-11-23 22:46:51,534 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)
[2024-11-23 22:46:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-11-23 22:46:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-23 22:46:51,534 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:51,535 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:51,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:51,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:51,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:51,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:51,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1779290346, now seen corresponding path program 1 times
[2024-11-23 22:46:51,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:51,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50813461]
[2024-11-23 22:46:51,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:46:51,738 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
[2024-11-23 22:46:51,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:51,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:51,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:46:51,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:51,879 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:46:51,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 22:46:51,945 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:51,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50813461]
[2024-11-23 22:46:51,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50813461] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:46:51,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:46:51,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 22:46:51,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956583727]
[2024-11-23 22:46:51,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:46:51,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:46:51,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:51,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:46:51,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:46:51,947 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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)
[2024-11-23 22:46:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:52,685 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions.
[2024-11-23 22:46:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:46:52,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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
[2024-11-23 22:46:52,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:52,686 INFO L225 Difference]: With dead ends: 38
[2024-11-23 22:46:52,686 INFO L226 Difference]: Without dead ends: 26
[2024-11-23 22:46:52,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:46:52,688 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-23 22:46:52,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-23 22:46:52,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-23 22:46:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-11-23 22:46:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 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)
[2024-11-23 22:46:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2024-11-23 22:46:52,694 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15
[2024-11-23 22:46:52,694 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:52,694 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2024-11-23 22:46:52,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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)
[2024-11-23 22:46:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2024-11-23 22:46:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-23 22:46:52,695 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:52,695 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:52,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-23 22:46:52,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:52,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:52,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash -823616510, now seen corresponding path program 1 times
[2024-11-23 22:46:52,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:52,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360428475]
[2024-11-23 22:46:52,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:46:52,898 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
[2024-11-23 22:46:52,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:52,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:46:53,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:53,049 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 22:46:53,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 22:46:53,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360428475]
[2024-11-23 22:46:53,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360428475] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:46:53,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:46:53,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 22:46:53,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100606600]
[2024-11-23 22:46:53,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:46:53,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 22:46:53,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:53,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 22:46:53,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 22:46:53,159 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:53,967 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions.
[2024-11-23 22:46:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 22:46:53,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-11-23 22:46:53,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:53,969 INFO L225 Difference]: With dead ends: 36
[2024-11-23 22:46:53,969 INFO L226 Difference]: Without dead ends: 27
[2024-11-23 22:46:53,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 22:46:53,971 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-23 22:46:53,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 29 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-23 22:46:53,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-11-23 22:46:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25.
[2024-11-23 22:46:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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)
[2024-11-23 22:46:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-11-23 22:46:53,977 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19
[2024-11-23 22:46:53,978 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:53,978 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-11-23 22:46:53,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-11-23 22:46:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-23 22:46:53,979 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:53,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:53,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-23 22:46:54,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:54,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:54,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:54,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2058290682, now seen corresponding path program 1 times
[2024-11-23 22:46:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378449988]
[2024-11-23 22:46:54,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:46:54,181 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
[2024-11-23 22:46:54,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:54,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:54,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:46:54,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:54,528 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 22:46:54,678 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 22:46:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 22:46:54,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:54,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378449988]
[2024-11-23 22:46:54,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378449988] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 22:46:54,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 22:46:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-23 22:46:54,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970057210]
[2024-11-23 22:46:54,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 22:46:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 22:46:54,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:54,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 22:46:54,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-11-23 22:46:54,840 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:56,498 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions.
[2024-11-23 22:46:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 22:46:56,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2024-11-23 22:46:56,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:56,499 INFO L225 Difference]: With dead ends: 44
[2024-11-23 22:46:56,500 INFO L226 Difference]: Without dead ends: 34
[2024-11-23 22:46:56,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-23 22:46:56,501 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 18 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-23 22:46:56,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 78 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-23 22:46:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2024-11-23 22:46:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29.
[2024-11-23 22:46:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions.
[2024-11-23 22:46:56,506 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23
[2024-11-23 22:46:56,506 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:56,507 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions.
[2024-11-23 22:46:56,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions.
[2024-11-23 22:46:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-23 22:46:56,508 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:56,508 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:56,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:56,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:56,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:56,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:56,709 INFO L85 PathProgramCache]: Analyzing trace with hash 608986098, now seen corresponding path program 2 times
[2024-11-23 22:46:56,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:56,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676090125]
[2024-11-23 22:46:56,710 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 22:46:56,710 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
[2024-11-23 22:46:56,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:56,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:56,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:56,831 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 22:46:56,831 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 22:46:56,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:56,836 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 22:46:56,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 22:46:56,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676090125]
[2024-11-23 22:46:56,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676090125] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:46:56,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:46:56,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 22:46:56,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066877046]
[2024-11-23 22:46:56,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:46:56,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:46:56,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:56,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:46:56,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:46:56,862 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:56,976 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions.
[2024-11-23 22:46:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:46:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27
[2024-11-23 22:46:56,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:56,977 INFO L225 Difference]: With dead ends: 34
[2024-11-23 22:46:56,977 INFO L226 Difference]: Without dead ends: 31
[2024-11-23 22:46:56,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:46:56,978 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 22:46:56,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 22:46:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-23 22:46:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30.
[2024-11-23 22:46:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2024-11-23 22:46:56,984 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 27
[2024-11-23 22:46:56,984 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:56,984 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2024-11-23 22:46:56,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:46:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2024-11-23 22:46:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-23 22:46:56,985 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:56,985 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:56,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-23 22:46:57,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:57,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:57,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1118056078, now seen corresponding path program 1 times
[2024-11-23 22:46:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:57,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370333664]
[2024-11-23 22:46:57,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:46:57,187 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
[2024-11-23 22:46:57,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:57,189 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:57,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-23 22:46:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:46:57,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 22:46:57,789 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 22:46:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 22:46:57,835 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 22:46:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 22:46:57,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 22:46:57,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370333664]
[2024-11-23 22:46:57,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370333664] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 22:46:57,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 22:46:57,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6
[2024-11-23 22:46:57,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87357672]
[2024-11-23 22:46:57,893 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 22:46:57,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:46:57,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 22:46:57,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:46:57,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:46:57,895 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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)
[2024-11-23 22:46:58,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:46:58,149 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions.
[2024-11-23 22:46:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:46:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 29
[2024-11-23 22:46:58,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:46:58,150 INFO L225 Difference]: With dead ends: 36
[2024-11-23 22:46:58,150 INFO L226 Difference]: Without dead ends: 33
[2024-11-23 22:46:58,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:46:58,151 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 22:46:58,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 22:46:58,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-23 22:46:58,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32.
[2024-11-23 22:46:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 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)
[2024-11-23 22:46:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions.
[2024-11-23 22:46:58,157 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 29
[2024-11-23 22:46:58,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:46:58,157 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions.
[2024-11-23 22:46:58,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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)
[2024-11-23 22:46:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions.
[2024-11-23 22:46:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-11-23 22:46:58,160 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:46:58,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:46:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-11-23 22:46:58,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:46:58,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 22:46:58,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:46:58,361 INFO L85 PathProgramCache]: Analyzing trace with hash 708035114, now seen corresponding path program 2 times
[2024-11-23 22:46:58,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 22:46:58,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143554621]
[2024-11-23 22:46:58,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 22:46:58,362 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
[2024-11-23 22:46:58,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 22:46:58,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 22:46:58,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2024-11-23 22:47:02,430 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 22:47:02,430 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-23 22:47:02,430 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:47:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:47:03,043 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-23 22:47:03,043 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:47:03,045 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 22:47:03,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2024-11-23 22:47:03,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 22:47:03,255 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1]
[2024-11-23 22:47:03,304 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 22:47:03,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:47:03 BoogieIcfgContainer
[2024-11-23 22:47:03,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 22:47:03,308 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 22:47:03,308 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 22:47:03,308 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 22:47:03,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:51" (3/4) ...
[2024-11-23 22:47:03,311 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-23 22:47:03,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 22:47:03,313 INFO L158 Benchmark]: Toolchain (without parser) took 15001.60ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 91.1MB in the beginning and 198.4MB in the end (delta: -107.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB.
[2024-11-23 22:47:03,314 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:47:03,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1265.83ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.5MB in the end (delta: 16.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB.
[2024-11-23 22:47:03,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.25ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:47:03,314 INFO L158 Benchmark]: Boogie Preprocessor took 50.38ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:47:03,315 INFO L158 Benchmark]: RCFGBuilder took 1373.39ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 55.3MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:47:03,315 INFO L158 Benchmark]: TraceAbstraction took 12224.52ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 54.3MB in the beginning and 199.3MB in the end (delta: -145.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:47:03,315 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 251.7MB. Free memory was 199.3MB in the beginning and 198.4MB in the end (delta: 907.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:47:03,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1265.83ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.5MB in the end (delta: 16.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 76.25ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.38ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1373.39ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 55.3MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 12224.52ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 54.3MB in the beginning and 199.3MB in the end (delta: -145.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.35ms. Allocated memory is still 251.7MB. Free memory was 199.3MB in the beginning and 198.4MB in the end (delta: 907.0kB). There was no memory consumed. Max. memory is 16.1GB.
* 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
- UnprovableResult [Line: 873]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of expf at line 854, overapproximation of __builtin_isinf_sign at line 867, overapproximation of __builtin_isinf_sign at line 866.
Possible FailurePath:
[L863] float x[2], y[2];
[L864] x[0] = __VERIFIER_nondet_float()
[L865] x[1] = __VERIFIER_nondet_float()
[L866] EXPR x[0]
[L866] COND FALSE !(!(!__builtin_isnan (x[0]) && !__builtin_isinf_sign (x[0])))
[L867] EXPR x[1]
[L867] COND FALSE !(!(!__builtin_isnan (x[1]) && !__builtin_isinf_sign (x[1])))
[L868] CALL softmax(x, y, 2)
[L847] int i;
[L848] EXPR x[0]
[L848] float max = x[0];
[L849] i = 1
VAL [i=1, max=-2.0, n=2, x={-2147483648:0}, y={3:0}]
[L849] COND TRUE i < n
VAL [i=1, max=-2.0, n=2, x={-2147483648:0}, y={3:0}]
[L850] EXPR x[i]
[L850] COND TRUE x[i] > max
[L851] EXPR x[i]
[L851] max = x[i]
VAL [i=1, max=0.0, n=2, x={-2147483648:0}, y={3:0}]
[L849] ++i
VAL [i=2, max=0.0, n=2, x={-2147483648:0}, y={3:0}]
[L849] COND FALSE !(i < n)
VAL [max=0.0, n=2, x={-2147483648:0}, y={3:0}]
[L852] float sum = 0.0f;
[L853] i = 0
VAL [i=0, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853] COND TRUE i < n
VAL [i=0, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854] EXPR x[i]
[L854] float z = expf(x[i] - max);
[L855] sum += z
[L856] y[i] = z
[L853] ++i
VAL [i=1, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853] COND TRUE i < n
VAL [i=1, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854] EXPR x[i]
[L854] float z = expf(x[i] - max);
[L855] sum += z
[L856] y[i] = z
[L853] ++i
VAL [i=2, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853] COND FALSE !(i < n)
VAL [max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858] i = 0
VAL [i=0, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858] COND TRUE i < n
VAL [i=0, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859] EXPR y[i]
[L859] y[i] /= sum
[L858] ++i
VAL [i=1, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858] COND TRUE i < n
VAL [i=1, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859] EXPR y[i]
[L859] y[i] /= sum
[L858] ++i
VAL [i=2, max=0.0, n=2, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858] COND FALSE !(i < n)
VAL [max=0.0, sum=0.0, x={-2147483648:0}, y={3:0}]
[L868] RET softmax(x, y, 2)
[L869] int i;
[L870] float sum = 0.0f;
[L871] i = 0
VAL [i=0, sum=0.0, y={3:0}]
[L871] COND TRUE i < 2
VAL [i=0, sum=0.0, y={3:0}]
[L872] EXPR y[i]
[L872] sum += y[i]
[L871] ++i
VAL [i=1, sum=NaN, y={3:0}]
[L871] COND TRUE i < 2
VAL [i=1, sum=NaN, y={3:0}]
[L872] EXPR y[i]
[L872] sum += y[i]
[L871] ++i
VAL [i=2, sum=NaN, y={3:0}]
[L871] COND FALSE !(i < 2)
VAL [sum=NaN, y={3:0}]
[L873] COND TRUE !(sum == 1.0f)
VAL [y={3:0}]
[L873] reach_error()
VAL [y={3:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 281 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 133 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 159 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 476 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 32/36 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-23 22:47:03,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c9a63c-2b93-4c3a-bf0c-b9c398e3911b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample