./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y --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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:45,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:45,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:45,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:45,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:45,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:45,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:45,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:45,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:45,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:45,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:45,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:45,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:45,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:45,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:45,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:45,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:45,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:45,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:45,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:45,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:45,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:45,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:45,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:45,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:45,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:45,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:45,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:45,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:45,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:45,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:45,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:45,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:45,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:45,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:45,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:45,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:45,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:45,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:45,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:45,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:45,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:17:45,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:45,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:45,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:45,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:45,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:17:45,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:17:45,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:45,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:45,290 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:45,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:45,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:17:45,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:17:45,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:17:45,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:45,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:17:45,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:17:45,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:17:45,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:17:45,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:45,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:45,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:17:45,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:45,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:45,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:17:45,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:45,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:45,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:17:45,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:17:45,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:17:45,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:17:45,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:17:45,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:17:45,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:17:45,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:45,296 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_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-11-13 18:17:45,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:45,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:45,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:45,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:45,611 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:45,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-13 18:17:45,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/2a0513b9a/e8f6bd0a9a5c42c1b02a24385286e7d5/FLAG03783b0b3 [2021-11-13 18:17:46,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:46,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-13 18:17:46,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/2a0513b9a/e8f6bd0a9a5c42c1b02a24385286e7d5/FLAG03783b0b3 [2021-11-13 18:17:46,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/2a0513b9a/e8f6bd0a9a5c42c1b02a24385286e7d5 [2021-11-13 18:17:46,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:46,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:46,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:46,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:46,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:46,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:46" (1/1) ... [2021-11-13 18:17:46,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5803e7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:46, skipping insertion in model container [2021-11-13 18:17:46,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:46" (1/1) ... [2021-11-13 18:17:46,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:46,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:47,044 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:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1751) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$46(StandardFunctionHandler.java:379) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) 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:2007) 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:1629) 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:1068) 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:1606) 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:1068) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) 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:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) 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) [2021-11-13 18:17:47,050 INFO L158 Benchmark]: Toolchain (without parser) took 369.39ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 51.8MB in the beginning and 84.6MB in the end (delta: -32.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:47,051 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:17:47,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.37ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 51.6MB in the beginning and 84.6MB in the end (delta: -33.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:47,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.37ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 51.6MB in the beginning and 84.6MB in the end (delta: -33.0MB). Peak memory consumption was 6.3MB. 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:835) 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_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y --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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:49,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:49,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:49,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:49,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:49,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:49,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:49,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:49,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:49,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:49,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:49,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:49,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:49,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:49,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:49,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:49,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:49,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:49,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:49,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:49,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:49,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:49,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:49,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:49,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:49,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:49,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:49,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:49,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:49,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:49,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:49,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:49,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:49,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:49,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:49,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:49,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:49,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:49,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:49,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:49,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:49,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 18:17:49,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:49,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:49,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:49,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:49,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:17:49,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:17:49,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:49,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:49,882 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:49,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:49,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:17:49,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:17:49,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:49,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:17:49,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:17:49,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:17:49,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:17:49,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:17:49,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:17:49,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:49,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:49,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:17:49,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:49,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:49,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:17:49,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:49,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:49,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:17:49,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:17:49,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:17:49,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:17:49,890 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:17:49,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:17:49,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:17:49,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:49,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:17:49,891 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_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-11-13 18:17:50,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:50,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:50,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:50,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:50,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:50,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-13 18:17:50,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/ef4405b2e/9c14a95989cd47bcaa1d3f4f07ba848e/FLAG20f7e7488 [2021-11-13 18:17:51,256 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:51,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-13 18:17:51,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/ef4405b2e/9c14a95989cd47bcaa1d3f4f07ba848e/FLAG20f7e7488 [2021-11-13 18:17:51,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/data/ef4405b2e/9c14a95989cd47bcaa1d3f4f07ba848e [2021-11-13 18:17:51,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:51,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:51,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:51,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:51,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:51,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:51" (1/1) ... [2021-11-13 18:17:51,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1523bbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:51, skipping insertion in model container [2021-11-13 18:17:51,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:51" (1/1) ... [2021-11-13 18:17:51,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:51,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:51,968 WARN L228 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_02439539-d4a3-4f74-a9ad-74c82b0eb334/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-11-13 18:17:51,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:52,002 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:17:52,173 WARN L228 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_02439539-d4a3-4f74-a9ad-74c82b0eb334/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-11-13 18:17:52,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:52,206 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:17:52,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52 WrapperNode [2021-11-13 18:17:52,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:52,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:52,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:17:52,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:17:52,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:52,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:17:52,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:17:52,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:17:52,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:17:52,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:17:52,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:17:52,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:17:52,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (1/1) ... [2021-11-13 18:17:52,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:52,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:17:52,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:17:52,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:17:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-13 18:17:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-13 18:17:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-13 18:17:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-13 18:17:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 18:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-13 18:17:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-13 18:17:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-13 18:17:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:17:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:17:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:17:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:17:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:18:42,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:18:42,401 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-13 18:18:42,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:42 BoogieIcfgContainer [2021-11-13 18:18:42,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:18:42,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:18:42,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:18:42,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:18:42,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:17:51" (1/3) ... [2021-11-13 18:18:42,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a5bbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:42, skipping insertion in model container [2021-11-13 18:18:42,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:52" (2/3) ... [2021-11-13 18:18:42,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a5bbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:42, skipping insertion in model container [2021-11-13 18:18:42,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:42" (3/3) ... [2021-11-13 18:18:42,426 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0874.c [2021-11-13 18:18:42,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:18:42,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:18:42,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:18:42,497 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:18:42,497 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:18:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 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) [2021-11-13 18:18:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 18:18:42,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:42,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:42,536 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:42,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:42,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1061139955, now seen corresponding path program 1 times [2021-11-13 18:18:42,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:18:42,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103685754] [2021-11-13 18:18:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:42,560 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:18:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:18:42,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:18:42,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:18:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:42,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 18:18:43,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:18:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:43,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:18:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:43,727 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:18:43,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103685754] [2021-11-13 18:18:43,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103685754] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:43,728 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:43,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 18:18:43,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323287878] [2021-11-13 18:18:43,732 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:43,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:18:43,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:18:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:18:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:18:43,776 INFO L87 Difference]: Start difference. First operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-13 18:18:43,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:18:43,843 INFO L93 Difference]: Finished difference Result 421 states and 711 transitions. [2021-11-13 18:18:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:18:43,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 20 [2021-11-13 18:18:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:18:43,860 INFO L225 Difference]: With dead ends: 421 [2021-11-13 18:18:43,866 INFO L226 Difference]: Without dead ends: 208 [2021-11-13 18:18:43,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:18:43,888 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:18:43,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 4.64ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:18:43,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-13 18:18:43,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-13 18:18:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.395) internal successors, (279), 200 states have internal predecessors, (279), 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) [2021-11-13 18:18:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2021-11-13 18:18:43,985 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 20 [2021-11-13 18:18:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:18:43,985 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2021-11-13 18:18:43,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-13 18:18:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2021-11-13 18:18:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 18:18:43,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:43,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:44,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 18:18:44,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:18:44,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:44,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1299029151, now seen corresponding path program 1 times [2021-11-13 18:18:44,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:18:44,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962318520] [2021-11-13 18:18:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:44,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:18:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:18:44,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:18:44,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:18:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:44,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 18:18:44,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:18:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:47,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:18:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:52,005 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:18:52,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962318520] [2021-11-13 18:18:52,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962318520] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:52,006 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:52,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 18:18:52,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471097940] [2021-11-13 18:18:52,007 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:52,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:18:52,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:18:52,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:18:52,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:18:52,010 INFO L87 Difference]: Start difference. First operand 208 states and 289 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:18:52,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:18:52,091 INFO L93 Difference]: Finished difference Result 216 states and 296 transitions. [2021-11-13 18:18:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:18:52,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2021-11-13 18:18:52,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:18:52,095 INFO L225 Difference]: With dead ends: 216 [2021-11-13 18:18:52,096 INFO L226 Difference]: Without dead ends: 208 [2021-11-13 18:18:52,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:18:52,099 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.91ms IncrementalHoareTripleChecker+Time [2021-11-13 18:18:52,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2197 Invalid, 49 Unknown, 0 Unchecked, 31.03ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 49 Unchecked, 0.91ms Time] [2021-11-13 18:18:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-13 18:18:52,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-13 18:18:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.39) internal successors, (278), 200 states have internal predecessors, (278), 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) [2021-11-13 18:18:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2021-11-13 18:18:52,125 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 25 [2021-11-13 18:18:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:18:52,126 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2021-11-13 18:18:52,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:18:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2021-11-13 18:18:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 18:18:52,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:52,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:52,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:18:52,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:18:52,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1796740572, now seen corresponding path program 1 times [2021-11-13 18:18:52,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:18:52,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799093960] [2021-11-13 18:18:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:52,354 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:18:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:18:52,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:18:52,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:18:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:52,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 18:18:52,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:18:53,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-13 18:18:58,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:18:58,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 43 [2021-11-13 18:19:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:24,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:19:35,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2021-11-13 18:19:36,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2021-11-13 18:19:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:43,089 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:19:43,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799093960] [2021-11-13 18:19:43,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799093960] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:43,090 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:43,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-13 18:19:43,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513342392] [2021-11-13 18:19:43,090 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:43,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 18:19:43,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:19:43,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 18:19:43,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=255, Unknown=8, NotChecked=0, Total=306 [2021-11-13 18:19:43,092 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:19:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:49,604 INFO L93 Difference]: Finished difference Result 216 states and 295 transitions. [2021-11-13 18:19:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:19:49,604 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2021-11-13 18:19:49,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:49,607 INFO L225 Difference]: With dead ends: 216 [2021-11-13 18:19:49,608 INFO L226 Difference]: Without dead ends: 208 [2021-11-13 18:19:49,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 44.1s TimeCoverageRelationStatistics Valid=49, Invalid=285, Unknown=8, NotChecked=0, Total=342 [2021-11-13 18:19:49,610 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 5 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 84.07ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:49,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 2888 Invalid, 96 Unknown, 0 Unchecked, 9.79ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 95 Unchecked, 84.07ms Time] [2021-11-13 18:19:49,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-13 18:19:49,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-13 18:19:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.385) internal successors, (277), 200 states have internal predecessors, (277), 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) [2021-11-13 18:19:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2021-11-13 18:19:49,630 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 27 [2021-11-13 18:19:49,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:49,631 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2021-11-13 18:19:49,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:19:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2021-11-13 18:19:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 18:19:49,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:49,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:19:49,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:49,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:19:49,849 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:49,850 INFO L85 PathProgramCache]: Analyzing trace with hash 987393946, now seen corresponding path program 1 times [2021-11-13 18:19:49,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:19:49,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831839917] [2021-11-13 18:19:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:49,852 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:19:49,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:19:49,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:19:49,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02439539-d4a3-4f74-a9ad-74c82b0eb334/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:19:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:50,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 18:19:50,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:51,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-13 18:19:57,497 INFO L354 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2021-11-13 18:19:57,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 93 [2021-11-13 18:20:02,001 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:20:02,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 99 [2021-11-13 18:20:02,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-11-13 18:20:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:09,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:20:32,619 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:20:32,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 164 treesize of output 148 [2021-11-13 18:20:33,743 INFO L354 Elim1Store]: treesize reduction 18, result has 65.4 percent of original size [2021-11-13 18:20:33,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 166 [2021-11-13 18:20:34,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:20:34,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 184 [2021-11-13 18:20:34,692 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:20:34,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 166 treesize of output 165 [2021-11-13 18:20:36,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:20:36,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 66 [2021-11-13 18:20:37,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 18:20:37,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35