./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 17:01:51,562 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 17:01:51,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 17:01:51,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 17:01:51,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 17:01:51,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 17:01:51,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 17:01:51,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 17:01:51,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 17:01:51,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 17:01:51,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 17:01:51,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 17:01:51,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 17:01:51,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 17:01:51,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 17:01:51,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 17:01:51,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 17:01:51,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 17:01:51,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 17:01:51,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 17:01:51,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 17:01:51,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 17:01:51,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 17:01:51,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 17:01:51,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 17:01:51,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 17:01:51,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 17:01:51,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 17:01:51,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 17:01:51,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 17:01:51,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 17:01:51,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 17:01:51,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 17:01:51,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 17:01:51,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 17:01:51,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 17:01:51,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 17:01:51,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 17:01:51,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 17:01:51,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 17:01:51,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 17:01:51,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-12-13 17:01:51,637 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 17:01:51,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 17:01:51,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 17:01:51,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 17:01:51,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 17:01:51,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 17:01:51,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 17:01:51,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 17:01:51,639 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 17:01:51,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 17:01:51,639 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 17:01:51,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 17:01:51,640 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 17:01:51,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 17:01:51,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 17:01:51,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 17:01:51,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 17:01:51,641 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 17:01:51,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 17:01:51,641 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 17:01:51,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 17:01:51,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 17:01:51,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 17:01:51,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 17:01:51,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 17:01:51,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 17:01:51,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 17:01:51,644 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 17:01:51,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 17:01:51,644 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 17:01:51,644 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f
[2022-12-13 17:01:51,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 17:01:51,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 17:01:51,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 17:01:51,876 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 17:01:51,876 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 17:01:51,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c
[2022-12-13 17:01:54,390 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 17:01:54,601 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 17:01:54,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/sv-benchmarks/c/float-newlib/float_req_bl_0883.c
[2022-12-13 17:01:54,610 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/2b34cbc1b/d52a1a8eb1624323be636b5644c5279c/FLAG33dc111f8
[2022-12-13 17:01:54,959 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/2b34cbc1b/d52a1a8eb1624323be636b5644c5279c
[2022-12-13 17:01:54,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 17:01:54,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 17:01:54,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 17:01:54,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 17:01:54,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 17:01:54,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:01:54" (1/1) ...
[2022-12-13 17:01:54,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630a4a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:54, skipping insertion in model container
[2022-12-13 17:01:54,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:01:54" (1/1) ...
[2022-12-13 17:01:54,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 17:01:55,002 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 17:01:55,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:795)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2055)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$61(StandardFunctionHandler.java:428)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2068)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1676)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1653)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:93)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
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)
[2022-12-13 17:01:55,170 INFO L158 Benchmark]: Toolchain (without parser) took 207.83ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 72.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 17:01:55,170 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 17:01:55,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.39ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 72.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 17:01:55,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 206.39ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 72.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation
de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:795)
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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 17:01:56,460 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 17:01:56,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 17:01:56,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 17:01:56,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 17:01:56,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 17:01:56,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 17:01:56,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 17:01:56,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 17:01:56,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 17:01:56,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 17:01:56,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 17:01:56,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 17:01:56,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 17:01:56,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 17:01:56,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 17:01:56,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 17:01:56,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 17:01:56,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 17:01:56,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 17:01:56,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 17:01:56,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 17:01:56,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 17:01:56,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 17:01:56,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 17:01:56,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 17:01:56,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 17:01:56,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 17:01:56,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 17:01:56,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 17:01:56,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 17:01:56,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 17:01:56,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 17:01:56,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 17:01:56,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 17:01:56,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 17:01:56,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 17:01:56,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 17:01:56,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 17:01:56,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 17:01:56,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 17:01:56,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-12-13 17:01:56,544 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 17:01:56,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 17:01:56,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 17:01:56,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 17:01:56,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 17:01:56,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 17:01:56,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 17:01:56,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 17:01:56,547 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 17:01:56,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 17:01:56,548 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 17:01:56,548 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 17:01:56,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 17:01:56,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 17:01:56,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 17:01:56,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 17:01:56,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 17:01:56,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-12-13 17:01:56,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-12-13 17:01:56,549 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 17:01:56,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 17:01:56,550 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 17:01:56,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 17:01:56,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 17:01:56,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 17:01:56,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 17:01:56,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 17:01:56,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 17:01:56,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 17:01:56,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 17:01:56,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-12-13 17:01:56,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-12-13 17:01:56,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 17:01:56,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 17:01:56,552 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 17:01:56,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 17:01:56,553 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
[2022-12-13 17:01:56,553 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 17:01:56,553 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f
[2022-12-13 17:01:56,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 17:01:56,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 17:01:56,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 17:01:56,777 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 17:01:56,777 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 17:01:56,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c
[2022-12-13 17:01:59,345 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 17:01:59,524 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 17:01:59,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/sv-benchmarks/c/float-newlib/float_req_bl_0883.c
[2022-12-13 17:01:59,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/73d8467d0/4da64e195696480bb571769e08ba1dc8/FLAG76117104d
[2022-12-13 17:01:59,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/data/73d8467d0/4da64e195696480bb571769e08ba1dc8
[2022-12-13 17:01:59,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 17:01:59,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 17:01:59,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 17:01:59,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 17:01:59,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 17:01:59,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e633c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59, skipping insertion in model container
[2022-12-13 17:01:59,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 17:01:59,576 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 17:01:59,799 WARN L237 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_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/sv-benchmarks/c/float-newlib/float_req_bl_0883.c[14102,14115]
[2022-12-13 17:01:59,802 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 17:01:59,813 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 17:01:59,891 WARN L237 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_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/sv-benchmarks/c/float-newlib/float_req_bl_0883.c[14102,14115]
[2022-12-13 17:01:59,892 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 17:01:59,905 INFO L208 MainTranslator]: Completed translation
[2022-12-13 17:01:59,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59 WrapperNode
[2022-12-13 17:01:59,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 17:01:59,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 17:01:59,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 17:01:59,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 17:01:59,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,952 INFO L138 Inliner]: procedures = 26, calls = 192, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 742
[2022-12-13 17:01:59,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 17:01:59,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 17:01:59,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 17:01:59,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 17:01:59,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:01:59,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 17:01:59,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 17:01:59,998 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 17:01:59,998 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 17:01:59,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (1/1) ...
[2022-12-13 17:02:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 17:02:00,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 17:02:00,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 17:02:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2022-12-13 17:02:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float
[2022-12-13 17:02:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float
[2022-12-13 17:02:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4
[2022-12-13 17:02:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 17:02:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 17:02:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-12-13 17:02:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 17:02:00,157 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 17:02:00,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 17:02:25,072 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 17:02:25,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 17:02:25,079 INFO L300 CfgBuilder]: Removed 72 assume(true) statements.
[2022-12-13 17:02:25,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:02:25 BoogieIcfgContainer
[2022-12-13 17:02:25,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 17:02:25,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 17:02:25,083 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 17:02:25,086 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 17:02:25,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:01:59" (1/3) ...
[2022-12-13 17:02:25,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354bd58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:02:25, skipping insertion in model container
[2022-12-13 17:02:25,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:01:59" (2/3) ...
[2022-12-13 17:02:25,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354bd58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:02:25, skipping insertion in model container
[2022-12-13 17:02:25,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:02:25" (3/3) ...
[2022-12-13 17:02:25,088 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0883.c
[2022-12-13 17:02:25,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 17:02:25,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-12-13 17:02:25,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 17:02:25,145 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@42052b94, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 17:02:25,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-12-13 17:02:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 181 states have (on average 1.729281767955801) internal successors, (313), 182 states have internal predecessors, (313), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-12-13 17:02:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-12-13 17:02:25,153 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:25,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:25,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:25,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:25,157 INFO L85 PathProgramCache]: Analyzing trace with hash -218926045, now seen corresponding path program 1 times
[2022-12-13 17:02:25,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:25,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061845192]
[2022-12-13 17:02:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:25,167 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
[2022-12-13 17:02:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:25,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:25,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:26,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 17:02:26,060 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:26,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:26,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:26,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061845192]
[2022-12-13 17:02:26,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061845192] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:26,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:26,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 17:02:26,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268472050]
[2022-12-13 17:02:26,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:26,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 17:02:26,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:26,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 17:02:26,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 17:02:26,104 INFO L87 Difference]: Start difference. First operand has 187 states, 181 states have (on average 1.729281767955801) internal successors, (313), 182 states have internal predecessors, (313), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2022-12-13 17:02:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:26,135 INFO L93 Difference]: Finished difference Result 371 states and 637 transitions.
[2022-12-13 17:02:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 17:02:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13
[2022-12-13 17:02:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:26,142 INFO L225 Difference]: With dead ends: 371
[2022-12-13 17:02:26,142 INFO L226 Difference]: Without dead ends: 183
[2022-12-13 17:02:26,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 17:02:26,147 INFO L413 NwaCegarLoop]: 246 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, 246 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
[2022-12-13 17:02:26,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 17:02:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2022-12-13 17:02:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183.
[2022-12-13 17:02:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.3202247191011236) internal successors, (235), 178 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-12-13 17:02:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 241 transitions.
[2022-12-13 17:02:26,179 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 241 transitions. Word has length 13
[2022-12-13 17:02:26,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:26,179 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 241 transitions.
[2022-12-13 17:02:26,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2022-12-13 17:02:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 241 transitions.
[2022-12-13 17:02:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-12-13 17:02:26,180 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:26,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:26,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0
[2022-12-13 17:02:26,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:26,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:26,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1136669304, now seen corresponding path program 1 times
[2022-12-13 17:02:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:26,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188138047]
[2022-12-13 17:02:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:26,387 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
[2022-12-13 17:02:26,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:26,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:26,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:27,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-12-13 17:02:27,305 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:27,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:27,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:27,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188138047]
[2022-12-13 17:02:27,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188138047] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:27,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:27,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 17:02:27,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923833047]
[2022-12-13 17:02:27,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:27,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 17:02:27,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:27,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 17:02:27,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-12-13 17:02:27,695 INFO L87 Difference]: Start difference. First operand 183 states and 241 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:31,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2022-12-13 17:02:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:31,057 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions.
[2022-12-13 17:02:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 17:02:31,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2022-12-13 17:02:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:31,093 INFO L225 Difference]: With dead ends: 203
[2022-12-13 17:02:31,094 INFO L226 Difference]: Without dead ends: 191
[2022-12-13 17:02:31,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-12-13 17:02:31,095 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 427 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:31,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 505 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time]
[2022-12-13 17:02:31,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2022-12-13 17:02:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183.
[2022-12-13 17:02:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.303370786516854) internal successors, (232), 178 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-12-13 17:02:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 238 transitions.
[2022-12-13 17:02:31,115 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 238 transitions. Word has length 16
[2022-12-13 17:02:31,118 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:31,118 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 238 transitions.
[2022-12-13 17:02:31,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 238 transitions.
[2022-12-13 17:02:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-12-13 17:02:31,119 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:31,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:31,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:31,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:31,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:31,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:31,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1680361837, now seen corresponding path program 1 times
[2022-12-13 17:02:31,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:31,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596725014]
[2022-12-13 17:02:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:31,322 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
[2022-12-13 17:02:31,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:31,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:32,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 19 conjunts are in the unsatisfiable core
[2022-12-13 17:02:32,194 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:32,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-12-13 17:02:32,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18
[2022-12-13 17:02:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:33,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:33,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:33,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596725014]
[2022-12-13 17:02:33,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596725014] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:33,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:33,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-13 17:02:33,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95946455]
[2022-12-13 17:02:33,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:33,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 17:02:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:33,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 17:02:33,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-12-13 17:02:33,080 INFO L87 Difference]: Start difference. First operand 183 states and 238 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:36,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:36,211 INFO L93 Difference]: Finished difference Result 234 states and 308 transitions.
[2022-12-13 17:02:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 17:02:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-12-13 17:02:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:36,214 INFO L225 Difference]: With dead ends: 234
[2022-12-13 17:02:36,214 INFO L226 Difference]: Without dead ends: 62
[2022-12-13 17:02:36,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2022-12-13 17:02:36,215 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 283 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:36,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 100 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2022-12-13 17:02:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2022-12-13 17:02:36,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2022-12-13 17:02:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 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)
[2022-12-13 17:02:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions.
[2022-12-13 17:02:36,223 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 18
[2022-12-13 17:02:36,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:36,224 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions.
[2022-12-13 17:02:36,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions.
[2022-12-13 17:02:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2022-12-13 17:02:36,224 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:36,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:36,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:36,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:36,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:36,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1276009850, now seen corresponding path program 1 times
[2022-12-13 17:02:36,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:36,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944653271]
[2022-12-13 17:02:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:36,428 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
[2022-12-13 17:02:36,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:36,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:37,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjunts are in the unsatisfiable core
[2022-12-13 17:02:37,328 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:38,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:38,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944653271]
[2022-12-13 17:02:38,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944653271] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:38,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:38,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-12-13 17:02:38,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383271113]
[2022-12-13 17:02:38,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:38,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-12-13 17:02:38,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-12-13 17:02:38,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2022-12-13 17:02:38,523 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:41,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:41,573 INFO L93 Difference]: Finished difference Result 70 states and 83 transitions.
[2022-12-13 17:02:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-12-13 17:02:41,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2022-12-13 17:02:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:41,579 INFO L225 Difference]: With dead ends: 70
[2022-12-13 17:02:41,579 INFO L226 Difference]: Without dead ends: 61
[2022-12-13 17:02:41,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240
[2022-12-13 17:02:41,580 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 226 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:41,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 368 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2022-12-13 17:02:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2022-12-13 17:02:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2022-12-13 17:02:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 60 states have internal predecessors, (73), 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)
[2022-12-13 17:02:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions.
[2022-12-13 17:02:41,590 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 21
[2022-12-13 17:02:41,590 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:41,591 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions.
[2022-12-13 17:02:41,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions.
[2022-12-13 17:02:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2022-12-13 17:02:41,591 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:41,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:41,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:41,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:41,793 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:41,795 INFO L85 PathProgramCache]: Analyzing trace with hash 438154790, now seen corresponding path program 1 times
[2022-12-13 17:02:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:41,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223519261]
[2022-12-13 17:02:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:41,797 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
[2022-12-13 17:02:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:41,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:41,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:42,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 23 conjunts are in the unsatisfiable core
[2022-12-13 17:02:42,741 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:42,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-12-13 17:02:44,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 32
[2022-12-13 17:02:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:44,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:44,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:44,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223519261]
[2022-12-13 17:02:44,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223519261] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:44,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:44,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-12-13 17:02:44,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50732609]
[2022-12-13 17:02:44,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:44,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-12-13 17:02:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:44,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-12-13 17:02:44,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2022-12-13 17:02:44,708 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:47,432 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions.
[2022-12-13 17:02:47,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 17:02:47,433 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2022-12-13 17:02:47,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:47,434 INFO L225 Difference]: With dead ends: 69
[2022-12-13 17:02:47,434 INFO L226 Difference]: Without dead ends: 59
[2022-12-13 17:02:47,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272
[2022-12-13 17:02:47,435 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 105 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:47,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 382 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-12-13 17:02:47,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2022-12-13 17:02:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2022-12-13 17:02:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 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)
[2022-12-13 17:02:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions.
[2022-12-13 17:02:47,442 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 21
[2022-12-13 17:02:47,443 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:47,443 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions.
[2022-12-13 17:02:47,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions.
[2022-12-13 17:02:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2022-12-13 17:02:47,444 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:47,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:47,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2022-12-13 17:02:47,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:47,646 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:47,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash 687114061, now seen corresponding path program 1 times
[2022-12-13 17:02:47,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:47,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349558546]
[2022-12-13 17:02:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:47,650 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
[2022-12-13 17:02:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:47,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:47,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:48,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 20 conjunts are in the unsatisfiable core
[2022-12-13 17:02:48,614 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:50,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:50,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:50,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349558546]
[2022-12-13 17:02:50,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349558546] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:50,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:50,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-12-13 17:02:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725846488]
[2022-12-13 17:02:50,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:50,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-12-13 17:02:50,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:50,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-12-13 17:02:50,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2022-12-13 17:02:50,417 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:53,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:53,699 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions.
[2022-12-13 17:02:53,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 17:02:53,700 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28
[2022-12-13 17:02:53,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:53,700 INFO L225 Difference]: With dead ends: 76
[2022-12-13 17:02:53,701 INFO L226 Difference]: Without dead ends: 67
[2022-12-13 17:02:53,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380
[2022-12-13 17:02:53,702 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 211 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:53,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 414 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-12-13 17:02:53,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2022-12-13 17:02:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59.
[2022-12-13 17:02:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 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)
[2022-12-13 17:02:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions.
[2022-12-13 17:02:53,709 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 28
[2022-12-13 17:02:53,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:53,709 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions.
[2022-12-13 17:02:53,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 17:02:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions.
[2022-12-13 17:02:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-12-13 17:02:53,710 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:53,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:53,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:53,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:53,911 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:53,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1236711218, now seen corresponding path program 1 times
[2022-12-13 17:02:53,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:53,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843932928]
[2022-12-13 17:02:53,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:53,915 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
[2022-12-13 17:02:53,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:53,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:53,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 17:02:54,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-12-13 17:02:54,967 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 17:02:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 17:02:55,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 17:02:55,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 17:02:55,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843932928]
[2022-12-13 17:02:55,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843932928] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 17:02:55,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 17:02:55,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-13 17:02:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040502612]
[2022-12-13 17:02:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 17:02:55,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 17:02:55,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 17:02:55,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 17:02:55,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-12-13 17:02:55,739 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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)
[2022-12-13 17:02:56,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 17:02:56,489 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions.
[2022-12-13 17:02:56,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 17:02:56,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 30
[2022-12-13 17:02:56,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 17:02:56,490 INFO L225 Difference]: With dead ends: 67
[2022-12-13 17:02:56,490 INFO L226 Difference]: Without dead ends: 34
[2022-12-13 17:02:56,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2022-12-13 17:02:56,491 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 63 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-12-13 17:02:56,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 129 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-12-13 17:02:56,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2022-12-13 17:02:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2022-12-13 17:02:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0) internal successors, (33), 33 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)
[2022-12-13 17:02:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions.
[2022-12-13 17:02:56,495 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 30
[2022-12-13 17:02:56,495 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 17:02:56,496 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions.
[2022-12-13 17:02:56,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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)
[2022-12-13 17:02:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions.
[2022-12-13 17:02:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2022-12-13 17:02:56,496 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 17:02:56,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 17:02:56,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:56,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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
[2022-12-13 17:02:56,697 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 17:02:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 17:02:56,698 INFO L85 PathProgramCache]: Analyzing trace with hash 212896805, now seen corresponding path program 1 times
[2022-12-13 17:02:56,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 17:02:56,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274871006]
[2022-12-13 17:02:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 17:02:56,699 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
[2022-12-13 17:02:56,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 17:02:56,699 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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)
[2022-12-13 17:02:56,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9)] Waiting until timeout for monitored process
[2022-12-13 17:02:57,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9)] Ended with exit code 139
[2022-12-13 17:02:57,442 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:91)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:132)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:215)
... 30 more
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239)
... 37 more
[2022-12-13 17:02:57,445 INFO L158 Benchmark]: Toolchain (without parser) took 57901.29ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 41.4MB in the end (delta: 10.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,445 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 17:02:57,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.46ms. Allocated memory is still 73.4MB. Free memory was 51.4MB in the beginning and 47.4MB in the end (delta: 4.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.94ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 43.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,446 INFO L158 Benchmark]: Boogie Preprocessor took 43.86ms. Allocated memory is still 73.4MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,446 INFO L158 Benchmark]: RCFGBuilder took 25084.14ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 44.7MB in the end (delta: -6.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,446 INFO L158 Benchmark]: TraceAbstraction took 32361.46ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB.
[2022-12-13 17:02:57,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 361.46ms. Allocated memory is still 73.4MB. Free memory was 51.4MB in the beginning and 47.4MB in the end (delta: 4.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.94ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 43.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 43.86ms. Allocated memory is still 73.4MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 25084.14ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 44.7MB in the end (delta: -6.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 32361.46ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9) with exit command (exit)) Received EOF on stdin. No stderr output.
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-12-13 17:02:57,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73c2bb6-f0db-4b87-b932-e08b0a50f1a7/bin/uautomizer-uyxdKDjOR8/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 (9) with exit command (exit)) Received EOF on stdin. No stderr output.