./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN --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 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 --- 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-6b4ec56 [2022-11-20 12:25:18,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:25:18,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:25:18,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:25:18,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:25:18,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:25:18,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:25:18,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:25:18,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:25:18,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:25:18,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:25:18,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:25:18,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:25:18,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:25:18,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:25:18,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:25:18,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:25:18,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:25:18,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:25:18,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:25:18,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:25:18,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:25:18,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:25:18,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:25:18,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:25:18,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:25:18,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:25:18,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:25:18,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:25:18,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:25:18,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:25:18,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:25:18,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:25:18,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:25:18,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:25:18,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:25:18,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:25:18,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:25:18,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:25:18,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:25:18,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:25:18,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:25:18,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:25:18,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:25:18,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:25:18,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:25:18,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:25:18,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:25:18,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:25:18,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:25:18,727 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:25:18,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:25:18,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:25:18,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:25:18,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:25:18,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:25:18,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:25:18,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:25:18,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:25:18,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:25:18,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:25:18,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:25:18,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:25:18,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:25:18,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:25:18,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:25:18,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:25:18,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:25:18,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:25:18,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:25:18,733 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 [2022-11-20 12:25:19,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:25:19,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:25:19,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:25:19,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:25:19,044 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:25:19,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2022-11-20 12:25:22,125 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:25:22,417 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:25:22,418 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2022-11-20 12:25:22,427 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/9bce0db36/146733f335a1423694ce8a292f35aff3/FLAG41b311b02 [2022-11-20 12:25:22,445 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/9bce0db36/146733f335a1423694ce8a292f35aff3 [2022-11-20 12:25:22,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:25:22,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:25:22,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:22,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:25:22,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:25:22,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:22" (1/1) ... [2022-11-20 12:25:22,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a10036b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:22, skipping insertion in model container [2022-11-20 12:25:22,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:22" (1/1) ... [2022-11-20 12:25:22,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:25:22,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:25:22,663 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2022-11-20 12:25:22,669 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2022-11-20 12:25:22,686 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) 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:1087) 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:1087) 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:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) 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.(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) [2022-11-20 12:25:22,700 INFO L158 Benchmark]: Toolchain (without parser) took 246.50ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 99.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:25:22,701 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:25:22,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.35ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 99.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 12:25:22,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.35ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 99.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN --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 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 --- 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-6b4ec56 [2022-11-20 12:25:25,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:25:25,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:25:25,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:25:25,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:25:25,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:25:25,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:25:25,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:25:25,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:25:25,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:25:25,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:25:25,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:25:25,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:25:25,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:25:25,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:25:25,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:25:25,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:25:25,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:25:25,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:25:25,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:25:25,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:25:25,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:25:25,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:25:25,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:25:25,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:25:25,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:25:25,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:25:25,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:25:25,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:25:25,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:25:25,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:25:25,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:25:25,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:25:25,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:25:25,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:25:25,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:25:25,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:25:25,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:25:25,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:25:25,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:25:25,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:25:25,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:25:25,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:25:25,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:25:25,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:25:25,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:25:25,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:25:25,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:25:25,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:25:25,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:25:25,143 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:25:25,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:25:25,144 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:25:25,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:25:25,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:25:25,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:25:25,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:25:25,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:25:25,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:25:25,146 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:25:25,146 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:25:25,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:25:25,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:25:25,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:25:25,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:25:25,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:25:25,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:25:25,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:25:25,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:25:25,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:25:25,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:25:25,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:25:25,149 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:25:25,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:25:25,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:25:25,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:25:25,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:25:25,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:25:25,150 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 [2022-11-20 12:25:25,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:25:25,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:25:25,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:25:25,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:25:25,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:25:25,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2022-11-20 12:25:28,556 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:25:28,893 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:25:28,894 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2022-11-20 12:25:28,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/78adb8697/d21e769396a24261926b2898e8204cbf/FLAG1821f9412 [2022-11-20 12:25:28,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/data/78adb8697/d21e769396a24261926b2898e8204cbf [2022-11-20 12:25:28,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:25:28,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:25:28,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:28,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:25:28,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:25:28,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:28" (1/1) ... [2022-11-20 12:25:28,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb1a8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:28, skipping insertion in model container [2022-11-20 12:25:28,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:28" (1/1) ... [2022-11-20 12:25:28,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:25:29,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:25:29,219 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2022-11-20 12:25:29,227 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2022-11-20 12:25:29,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:29,301 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:25:29,316 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2022-11-20 12:25:29,317 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_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2022-11-20 12:25:29,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:29,417 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:25:29,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29 WrapperNode [2022-11-20 12:25:29,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:29,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:29,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:25:29,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:25:29,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,475 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2022-11-20 12:25:29,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:29,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:25:29,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:25:29,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:25:29,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:25:29,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:25:29,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:25:29,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:25:29,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (1/1) ... [2022-11-20 12:25:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:25:29,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:29,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:29,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:25:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:25:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:25:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-20 12:25:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-20 12:25:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2022-11-20 12:25:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2022-11-20 12:25:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:25:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:25:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 12:25:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 12:25:29,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:25:29,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:25:32,306 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:25:32,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:25:32,314 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:25:32,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:32 BoogieIcfgContainer [2022-11-20 12:25:32,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:25:32,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:25:32,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:25:32,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:25:32,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:25:28" (1/3) ... [2022-11-20 12:25:32,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413c1fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:25:32, skipping insertion in model container [2022-11-20 12:25:32,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:29" (2/3) ... [2022-11-20 12:25:32,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413c1fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:25:32, skipping insertion in model container [2022-11-20 12:25:32,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:32" (3/3) ... [2022-11-20 12:25:32,325 INFO L112 eAbstractionObserver]: Analyzing ICFG square_6+soft_float_4-3a.c.cil.c [2022-11-20 12:25:32,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:25:32,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:25:32,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:25:32,422 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;@7b2d83ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:25:32,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:25:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 50 states have internal predecessors, (71), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 12:25:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 12:25:32,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:32,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:32,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:32,436 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2022-11-20 12:25:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:25:32,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678317572] [2022-11-20 12:25:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:32,449 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 [2022-11-20 12:25:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:25:32,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:25:32,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:25:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:32,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 12:25:33,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:33,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:25:33,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:25:33,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678317572] [2022-11-20 12:25:33,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678317572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:33,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:33,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:25:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045367906] [2022-11-20 12:25:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:33,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:25:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:25:33,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:25:33,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:25:33,072 INFO L87 Difference]: Start difference. First operand has 63 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 50 states have internal predecessors, (71), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-20 12:25:33,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:33,133 INFO L93 Difference]: Finished difference Result 121 states and 179 transitions. [2022-11-20 12:25:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:25:33,137 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-20 12:25:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:33,149 INFO L225 Difference]: With dead ends: 121 [2022-11-20 12:25:33,150 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 12:25:33,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:25:33,161 INFO L413 NwaCegarLoop]: 82 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, 82 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 [2022-11-20 12:25:33,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:25:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 12:25:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-20 12:25:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 44 states have internal predecessors, (57), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:25:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2022-11-20 12:25:33,221 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 7 [2022-11-20 12:25:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:33,221 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2022-11-20 12:25:33,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-20 12:25:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-11-20 12:25:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 12:25:33,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:33,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:33,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 12:25:33,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:25:33,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:33,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2022-11-20 12:25:33,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:25:33,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775994153] [2022-11-20 12:25:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:33,429 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 [2022-11-20 12:25:33,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:25:33,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:25:33,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c26e34-8bc3-48fb-af1f-d50adfa639b4/bin/uautomizer-ug76WZFUDN/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