./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0875.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0875.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ --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 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e
--- 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-dbf71c6-m
[2022-10-17 10:44:42,563 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:44:42,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:44:42,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:44:42,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:44:42,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:44:42,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:44:42,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:44:42,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:44:42,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:44:42,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:44:42,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:44:42,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:44:42,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:44:42,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:44:42,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:44:42,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:44:42,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:44:42,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:44:42,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:44:42,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:44:42,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:44:42,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:44:42,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:44:42,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:44:42,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:44:42,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:44:42,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:44:42,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:44:42,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:44:42,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:44:42,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:44:42,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:44:42,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:44:42,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:44:42,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:44:42,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:44:42,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:44:42,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:44:42,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:44:42,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:44:42,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-10-17 10:44:42,750 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-17 10:44:42,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:44:42,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:44:42,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:44:42,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:44:42,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:44:42,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:44:42,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-17 10:44:42,755 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-17 10:44:42,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:44:42,757 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-17 10:44:42,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-17 10:44:42,757 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-17 10:44:42,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-17 10:44:42,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-17 10:44:42,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:44:42,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-17 10:44:42,759 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-17 10:44:42,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-17 10:44:42,760 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-17 10:44:42,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-17 10:44:42,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:44:42,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-17 10:44:42,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-17 10:44:42,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:44:42,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:44:42,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:44:42,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-17 10:44:42,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-17 10:44:42,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 10:44:42,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-17 10:44:42,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-10-17 10:44:42,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-17 10:44:42,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e
[2022-10-17 10:44:43,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:44:43,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:44:43,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:44:43,168 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-17 10:44:43,169 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-17 10:44:43,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/float-newlib/float_req_bl_0875.c
[2022-10-17 10:44:43,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/faf3c60b9/c78c0130af634601966d0a6c05dbb9a7/FLAGc8d9d2caf
[2022-10-17 10:44:43,850 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-17 10:44:43,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/sv-benchmarks/c/float-newlib/float_req_bl_0875.c
[2022-10-17 10:44:43,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/faf3c60b9/c78c0130af634601966d0a6c05dbb9a7/FLAGc8d9d2caf
[2022-10-17 10:44:44,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/faf3c60b9/c78c0130af634601966d0a6c05dbb9a7
[2022-10-17 10:44:44,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:44:44,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:44:44,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:44:44,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:44:44,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:44:44,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:44" (1/1) ...
[2022-10-17 10:44:44,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7513c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:44, skipping insertion in model container
[2022-10-17 10:44:44,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:44" (1/1) ...
[2022-10-17 10:44:44,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-17 10:44:44,286 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:44:44,646 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:837)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447)
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:2039)
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:1650)
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:1081)
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:1627)
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:1081)
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:1470)
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:3276)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601)
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)
[2022-10-17 10:44:44,653 INFO L158 Benchmark]: Toolchain (without parser) took 476.06ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 71.7MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-10-17 10:44:44,654 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-10-17 10:44:44,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.80ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 71.7MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-10-17 10:44:44,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 472.80ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 71.7MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. 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:837)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0875.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ --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 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e
--- 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-dbf71c6-m
[2022-10-17 10:44:47,464 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:44:47,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:44:47,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:44:47,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:44:47,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:44:47,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:44:47,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:44:47,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:44:47,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:44:47,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:44:47,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:44:47,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:44:47,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:44:47,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:44:47,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:44:47,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:44:47,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:44:47,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:44:47,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:44:47,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:44:47,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:44:47,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:44:47,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:44:47,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:44:47,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:44:47,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:44:47,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:44:47,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:44:47,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:44:47,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:44:47,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:44:47,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:44:47,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:44:47,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:44:47,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:44:47,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:44:47,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:44:47,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:44:47,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:44:47,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:44:47,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-10-17 10:44:47,659 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-17 10:44:47,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:44:47,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:44:47,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:44:47,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:44:47,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:44:47,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:44:47,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-17 10:44:47,663 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-17 10:44:47,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:44:47,664 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-17 10:44:47,664 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-17 10:44:47,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-17 10:44:47,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-17 10:44:47,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:44:47,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-17 10:44:47,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-10-17 10:44:47,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-10-17 10:44:47,667 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-10-17 10:44:47,667 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-17 10:44:47,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-17 10:44:47,668 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-17 10:44:47,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-17 10:44:47,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:44:47,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-17 10:44:47,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-17 10:44:47,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:44:47,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:44:47,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:44:47,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-17 10:44:47,671 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-10-17 10:44:47,672 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-10-17 10:44:47,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-17 10:44:47,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-10-17 10:44:47,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-17 10:44:47,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-17 10:44:47,673 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e
[2022-10-17 10:44:48,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:44:48,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:44:48,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:44:48,221 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-17 10:44:48,222 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-17 10:44:48,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/float-newlib/float_req_bl_0875.c
[2022-10-17 10:44:48,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/3db51db06/02b46c4a416d453e8f75754d4ee6cde2/FLAG8a30cc630
[2022-10-17 10:44:48,993 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-17 10:44:48,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/sv-benchmarks/c/float-newlib/float_req_bl_0875.c
[2022-10-17 10:44:49,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/3db51db06/02b46c4a416d453e8f75754d4ee6cde2/FLAG8a30cc630
[2022-10-17 10:44:49,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/data/3db51db06/02b46c4a416d453e8f75754d4ee6cde2
[2022-10-17 10:44:49,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:44:49,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:44:49,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:44:49,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:44:49,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:44:49,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:49" (1/1) ...
[2022-10-17 10:44:49,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a35097c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:49, skipping insertion in model container
[2022-10-17 10:44:49,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:49" (1/1) ...
[2022-10-17 10:44:49,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-17 10:44:49,377 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:44:49,847 WARN L230 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_5df5c495-ae22-4c83-ad4d-679b61fb9c67/sv-benchmarks/c/float-newlib/float_req_bl_0875.c[14084,14097]
[2022-10-17 10:44:49,850 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:44:49,866 INFO L203 MainTranslator]: Completed pre-run
[2022-10-17 10:44:50,015 WARN L230 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_5df5c495-ae22-4c83-ad4d-679b61fb9c67/sv-benchmarks/c/float-newlib/float_req_bl_0875.c[14084,14097]
[2022-10-17 10:44:50,016 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:44:50,039 INFO L208 MainTranslator]: Completed translation
[2022-10-17 10:44:50,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50 WrapperNode
[2022-10-17 10:44:50,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 10:44:50,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-17 10:44:50,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-17 10:44:50,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-17 10:44:50,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,179 INFO L138 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 739
[2022-10-17 10:44:50,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-17 10:44:50,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-17 10:44:50,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-17 10:44:50,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-17 10:44:50,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-17 10:44:50,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-17 10:44:50,313 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-17 10:44:50,314 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-17 10:44:50,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (1/1) ...
[2022-10-17 10:44:50,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:44:50,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/z3
[2022-10-17 10:44:50,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-17 10:44:50,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-17 10:44:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-17 10:44:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-10-17 10:44:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-17 10:44:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2022-10-17 10:44:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float
[2022-10-17 10:44:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float
[2022-10-17 10:44:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-10-17 10:44:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2022-10-17 10:44:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float
[2022-10-17 10:44:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float
[2022-10-17 10:44:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4
[2022-10-17 10:44:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-17 10:44:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-17 10:44:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-10-17 10:44:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-17 10:44:50,677 INFO L235 CfgBuilder]: Building ICFG
[2022-10-17 10:44:50,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-17 10:45:18,547 INFO L276 CfgBuilder]: Performing block encoding
[2022-10-17 10:45:18,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-17 10:45:18,566 INFO L300 CfgBuilder]: Removed 72 assume(true) statements.
[2022-10-17 10:45:18,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:18 BoogieIcfgContainer
[2022-10-17 10:45:18,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-17 10:45:18,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-17 10:45:18,575 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-17 10:45:18,579 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-17 10:45:18,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:44:49" (1/3) ...
[2022-10-17 10:45:18,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d47fc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:18, skipping insertion in model container
[2022-10-17 10:45:18,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:50" (2/3) ...
[2022-10-17 10:45:18,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d47fc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:18, skipping insertion in model container
[2022-10-17 10:45:18,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:18" (3/3) ...
[2022-10-17 10:45:18,582 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0875.c
[2022-10-17 10:45:18,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-17 10:45:18,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-17 10:45:18,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-17 10:45:18,696 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;@64b7659f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-17 10:45:18,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-17 10:45:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 191 states have (on average 1.7172774869109948) internal successors, (328), 192 states have internal predecessors, (328), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-10-17 10:45:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-10-17 10:45:18,714 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:45:18,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 10:45:18,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 10:45:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:45:18,723 INFO L85 PathProgramCache]: Analyzing trace with hash 703028076, now seen corresponding path program 1 times
[2022-10-17 10:45:18,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:45:18,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65572144]
[2022-10-17 10:45:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:45:18,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:45:18,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:45:18,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:45:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-10-17 10:45:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:45:20,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-10-17 10:45:20,059 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:45:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:45:20,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:45:20,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:45:20,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65572144]
[2022-10-17 10:45:20,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65572144] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:45:20,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:45:20,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-17 10:45:20,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888581107]
[2022-10-17 10:45:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:45:20,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-17 10:45:20,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:45:20,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-17 10:45:20,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-17 10:45:20,182 INFO L87 Difference]: Start difference. First operand has 200 states, 191 states have (on average 1.7172774869109948) internal successors, (328), 192 states have internal predecessors, (328), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-10-17 10:45:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:45:20,245 INFO L93 Difference]: Finished difference Result 397 states and 677 transitions.
[2022-10-17 10:45:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-17 10:45:20,248 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2022-10-17 10:45:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:45:20,269 INFO L225 Difference]: With dead ends: 397
[2022-10-17 10:45:20,269 INFO L226 Difference]: Without dead ends: 196
[2022-10-17 10:45:20,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-17 10:45:20,279 INFO L413 NwaCegarLoop]: 265 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, 265 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
[2022-10-17 10:45:20,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-17 10:45:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2022-10-17 10:45:20,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196.
[2022-10-17 10:45:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-10-17 10:45:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 260 transitions.
[2022-10-17 10:45:20,349 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 260 transitions. Word has length 18
[2022-10-17 10:45:20,349 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:45:20,350 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 260 transitions.
[2022-10-17 10:45:20,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-10-17 10:45:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions.
[2022-10-17 10:45:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2022-10-17 10:45:20,352 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:45:20,352 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]
[2022-10-17 10:45:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0
[2022-10-17 10:45:20,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:45:20,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 10:45:20,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:45:20,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1530787270, now seen corresponding path program 1 times
[2022-10-17 10:45:20,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:45:20,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186884360]
[2022-10-17 10:45:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:45:20,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:45:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:45:20,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:45:20,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-10-17 10:45:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:45:21,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-10-17 10:45:21,935 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:45:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:45:22,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:45:22,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:45:22,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186884360]
[2022-10-17 10:45:22,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186884360] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:45:22,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:45:22,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-17 10:45:22,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112923834]
[2022-10-17 10:45:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:45:22,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-17 10:45:22,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:45:22,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-17 10:45:22,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-10-17 10:45:22,636 INFO L87 Difference]: Start difference. First operand 196 states and 260 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-10-17 10:45:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:45:22,680 INFO L93 Difference]: Finished difference Result 205 states and 269 transitions.
[2022-10-17 10:45:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-10-17 10:45:22,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22
[2022-10-17 10:45:22,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:45:22,684 INFO L225 Difference]: With dead ends: 205
[2022-10-17 10:45:22,684 INFO L226 Difference]: Without dead ends: 196
[2022-10-17 10:45:22,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-10-17 10:45:22,687 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-17 10:45:22,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1236 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 38 Unchecked, 0.0s Time]
[2022-10-17 10:45:22,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2022-10-17 10:45:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196.
[2022-10-17 10:45:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.324468085106383) internal successors, (249), 188 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-10-17 10:45:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 259 transitions.
[2022-10-17 10:45:22,711 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 259 transitions. Word has length 22
[2022-10-17 10:45:22,713 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:45:22,713 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 259 transitions.
[2022-10-17 10:45:22,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-10-17 10:45:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 259 transitions.
[2022-10-17 10:45:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-10-17 10:45:22,716 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:45:22,716 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]
[2022-10-17 10:45:22,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-10-17 10:45:22,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:45:22,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 10:45:22,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:45:22,926 INFO L85 PathProgramCache]: Analyzing trace with hash 459364139, now seen corresponding path program 1 times
[2022-10-17 10:45:22,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:45:22,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261381192]
[2022-10-17 10:45:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:45:22,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:45:22,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:45:22,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:45:22,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df5c495-ae22-4c83-ad4d-679b61fb9c67/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process