./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt --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 63c9276a8cccd047024c328e68c3b8d4993e7244 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt --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 63c9276a8cccd047024c328e68c3b8d4993e7244 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:08:10,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:08:10,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:08:10,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:08:10,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:08:10,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:08:10,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:08:10,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:08:10,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:08:10,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:08:10,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:08:10,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:08:10,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:08:10,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:08:10,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:08:10,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:08:10,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:08:10,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:08:10,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:08:10,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:08:10,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:08:10,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:08:10,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:08:10,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:08:10,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:08:10,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:08:10,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:08:10,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:08:10,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:08:10,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:08:10,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:08:10,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:08:10,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:08:10,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:08:10,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:08:10,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:08:10,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:08:10,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:08:10,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:08:10,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:08:10,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:08:10,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:08:10,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:08:10,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:08:10,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:08:10,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:08:10,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:08:10,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:08:10,564 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:08:10,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:08:10,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:08:10,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:08:10,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:08:10,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:08:10,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:08:10,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:08:10,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:08:10,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:08:10,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:08:10,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:08:10,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:08:10,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:08:10,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:08:10,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:08:10,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:08:10,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:08:10,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:08:10,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:08:10,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:08:10,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:08:10,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:08:10,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:08:10,573 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c9276a8cccd047024c328e68c3b8d4993e7244 [2021-10-13 00:08:10,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:08:10,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:08:10,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:08:10,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:08:10,977 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:08:10,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-benchs/inv_Newton-1.c [2021-10-13 00:08:11,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/55d884eb0/a23212b53843437a885d8b8d4159a26e/FLAG83b67b56e [2021-10-13 00:08:11,656 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:08:11,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c [2021-10-13 00:08:11,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/55d884eb0/a23212b53843437a885d8b8d4159a26e/FLAG83b67b56e [2021-10-13 00:08:11,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/55d884eb0/a23212b53843437a885d8b8d4159a26e [2021-10-13 00:08:11,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:08:11,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:08:12,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:08:12,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:08:12,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:08:12,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:08:11" (1/1) ... [2021-10-13 00:08:12,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8f89a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12, skipping insertion in model container [2021-10-13 00:08:12,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:08:11" (1/1) ... [2021-10-13 00:08:12,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:08:12,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:08:12,270 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2021-10-13 00:08:12,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:08:12,305 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:08:12,320 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2021-10-13 00:08:12,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:08:12,350 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:08:12,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12 WrapperNode [2021-10-13 00:08:12,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:08:12,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:08:12,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:08:12,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:08:12,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:08:12,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:08:12,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:08:12,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:08:12,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:08:12,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:08:12,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:08:12,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:08:12,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (1/1) ... [2021-10-13 00:08:12,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:08:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:08:12,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:08:12,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:08:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:08:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:08:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:08:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:08:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:08:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:08:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:08:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:08:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:08:12,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:08:12,848 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 00:08:12,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:08:12 BoogieIcfgContainer [2021-10-13 00:08:12,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:08:12,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:08:12,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:08:12,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:08:12,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:08:11" (1/3) ... [2021-10-13 00:08:12,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae3e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:08:12, skipping insertion in model container [2021-10-13 00:08:12,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:12" (2/3) ... [2021-10-13 00:08:12,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae3e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:08:12, skipping insertion in model container [2021-10-13 00:08:12,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:08:12" (3/3) ... [2021-10-13 00:08:12,863 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_Newton-1.c [2021-10-13 00:08:12,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:08:12,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:08:12,946 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:08:12,963 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:08:12,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:08:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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) [2021-10-13 00:08:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 00:08:12,995 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:08:12,996 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:08:12,996 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:08:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:08:13,028 INFO L82 PathProgramCache]: Analyzing trace with hash -590190995, now seen corresponding path program 1 times [2021-10-13 00:08:13,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:08:13,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255178259] [2021-10-13 00:08:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:08:13,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:08:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:08:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:08:13,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:08:13,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255178259] [2021-10-13 00:08:13,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255178259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:08:13,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:08:13,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:08:13,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628810336] [2021-10-13 00:08:13,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:08:13,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:08:13,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:08:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:08:13,355 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 00:08:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:08:13,387 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-10-13 00:08:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:08:13,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-13 00:08:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:08:13,398 INFO L225 Difference]: With dead ends: 25 [2021-10-13 00:08:13,398 INFO L226 Difference]: Without dead ends: 10 [2021-10-13 00:08:13,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:08:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-13 00:08:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-13 00:08:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2021-10-13 00:08:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-13 00:08:13,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 9 [2021-10-13 00:08:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:08:13,436 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-13 00:08:13,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 00:08:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-13 00:08:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 00:08:13,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:08:13,438 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:08:13,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:08:13,439 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:08:13,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:08:13,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1184816367, now seen corresponding path program 1 times [2021-10-13 00:08:13,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:08:13,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572649974] [2021-10-13 00:08:13,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:08:13,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:08:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:08:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:08:13,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:08:13,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572649974] [2021-10-13 00:08:13,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572649974] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:08:13,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:08:13,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:08:13,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424326627] [2021-10-13 00:08:13,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:08:13,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:08:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:08:13,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:08:13,599 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 00:08:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:08:13,630 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-10-13 00:08:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:08:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-10-13 00:08:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:08:13,632 INFO L225 Difference]: With dead ends: 16 [2021-10-13 00:08:13,632 INFO L226 Difference]: Without dead ends: 11 [2021-10-13 00:08:13,633 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:08:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-13 00:08:13,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-13 00:08:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2021-10-13 00:08:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-13 00:08:13,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2021-10-13 00:08:13,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:08:13,638 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-10-13 00:08:13,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 00:08:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-13 00:08:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:08:13,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:08:13,639 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:08:13,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:08:13,640 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:08:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:08:13,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1873743609, now seen corresponding path program 1 times [2021-10-13 00:08:13,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:08:13,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362428351] [2021-10-13 00:08:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:08:13,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:08:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:08:13,811 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:08:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:08:13,960 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:08:13,962 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:08:13,966 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:08:13,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:08:13,977 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:08:14,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:08:14 BoogieIcfgContainer [2021-10-13 00:08:14,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:08:14,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:08:14,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:08:14,036 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:08:14,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:08:12" (3/4) ... [2021-10-13 00:08:14,041 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:08:14,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:08:14,046 INFO L168 Benchmark]: Toolchain (without parser) took 2051.50 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 58.4 MB in the beginning and 91.1 MB in the end (delta: -32.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:14,046 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:14,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.69 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 74.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:14,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.29 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:14,057 INFO L168 Benchmark]: Boogie Preprocessor took 34.09 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 71.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:14,058 INFO L168 Benchmark]: RCFGBuilder took 418.80 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 61.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:14,059 INFO L168 Benchmark]: TraceAbstraction took 1181.77 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 91.1 MB in the end (delta: -30.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:14,060 INFO L168 Benchmark]: Witness Printer took 7.14 ms. Allocated memory is still 121.6 MB. Free memory is still 91.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:14,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.69 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 74.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.29 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.09 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 71.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 418.80 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 61.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1181.77 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 91.1 MB in the end (delta: -30.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.14 ms. Allocated memory is still 121.6 MB. Free memory is still 91.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 16]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 31. Possible FailurePath: [L46] double a,r; [L48] a = __VERIFIER_nondet_double() [L14] COND FALSE !(!cond) [L26] double xi, xsi, temp; [L27] signed int cond, exp; [L28] union double_int A_u, xi_u; [L29] A_u.d = A [L30] EXPR A_u.i [L30] exp = (signed int) ((A_u.i & 0x7FF0000000000000) >> 52) - 1023 [L31] xi_u.d = 1 [L32] xi_u.i = (((long long)(1023-exp)) << 52) [L33] EXPR xi_u.d [L33] xi = xi_u.d [L34] cond = 1 [L35] COND TRUE \read(cond) [L36] xsi = 2*xi-A*xi*xi [L37] temp = xsi-xi [L38] cond = ((temp > 1e-10) || (temp < -1e-10)) [L39] xi = xsi [L35] COND FALSE !(\read(cond)) [L41] return xi; [L41] return xi; [L41] return xi; [L51] r = inv(a) [L16] COND TRUE !(cond) [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1031.9ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 15.1ms, AutomataDifference: 124.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 21.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.6ms SsaConstructionTime, 249.9ms SatisfiabilityAnalysisTime, 177.3ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:08:14,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:08:17,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:08:17,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:08:17,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:08:17,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:08:17,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:08:17,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:08:17,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:08:17,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:08:17,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:08:17,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:08:17,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:08:17,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:08:17,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:08:17,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:08:17,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:08:17,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:08:17,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:08:17,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:08:17,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:08:17,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:08:17,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:08:17,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:08:17,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:08:17,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:08:17,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:08:17,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:08:17,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:08:17,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:08:17,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:08:17,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:08:17,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:08:17,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:08:17,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:08:17,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:08:17,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:08:17,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:08:17,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:08:17,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:08:17,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:08:17,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:08:17,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:08:17,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:08:17,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:08:17,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:08:17,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:08:17,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:08:17,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:08:17,506 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:08:17,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:08:17,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:08:17,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:08:17,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:08:17,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:08:17,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:08:17,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:08:17,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:08:17,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:08:17,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:08:17,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:08:17,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:08:17,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:08:17,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:08:17,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:08:17,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:08:17,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:08:17,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:08:17,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:08:17,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:08:17,513 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:08:17,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:08:17,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:08:17,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:08:17,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:08:17,515 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c9276a8cccd047024c328e68c3b8d4993e7244 [2021-10-13 00:08:17,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:08:18,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:08:18,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:08:18,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:08:18,008 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:08:18,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-benchs/inv_Newton-1.c [2021-10-13 00:08:18,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/822c1601a/250cdc9783c24a43b90e64444fdeee75/FLAG483ea20e8 [2021-10-13 00:08:18,836 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:08:18,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c [2021-10-13 00:08:18,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/822c1601a/250cdc9783c24a43b90e64444fdeee75/FLAG483ea20e8 [2021-10-13 00:08:19,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/data/822c1601a/250cdc9783c24a43b90e64444fdeee75 [2021-10-13 00:08:19,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:08:19,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:08:19,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:08:19,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:08:19,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:08:19,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a401e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19, skipping insertion in model container [2021-10-13 00:08:19,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:08:19,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:08:19,394 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2021-10-13 00:08:19,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:08:19,449 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:08:19,494 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_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2021-10-13 00:08:19,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:08:19,582 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:08:19,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19 WrapperNode [2021-10-13 00:08:19,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:08:19,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:08:19,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:08:19,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:08:19,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:08:19,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:08:19,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:08:19,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:08:19,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:08:19,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:08:19,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:08:19,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:08:19,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (1/1) ... [2021-10-13 00:08:19,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:08:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:08:19,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:08:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:08:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 00:08:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 00:08:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:08:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:08:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-13 00:08:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:08:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:08:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-13 00:08:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:08:22,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:08:22,276 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 00:08:22,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:08:22 BoogieIcfgContainer [2021-10-13 00:08:22,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:08:22,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:08:22,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:08:22,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:08:22,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:08:19" (1/3) ... [2021-10-13 00:08:22,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a6be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:08:22, skipping insertion in model container [2021-10-13 00:08:22,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:08:19" (2/3) ... [2021-10-13 00:08:22,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a6be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:08:22, skipping insertion in model container [2021-10-13 00:08:22,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:08:22" (3/3) ... [2021-10-13 00:08:22,292 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_Newton-1.c [2021-10-13 00:08:22,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:08:22,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:08:22,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:08:22,376 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:08:22,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:08:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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) [2021-10-13 00:08:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 00:08:22,402 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:08:22,403 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:08:22,403 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:08:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:08:22,411 INFO L82 PathProgramCache]: Analyzing trace with hash -590190995, now seen corresponding path program 1 times [2021-10-13 00:08:22,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:08:22,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800489246] [2021-10-13 00:08:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:08:22,430 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:08:22,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:08:22,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:08:22,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:08:22,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 00:08:22,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:08:22,740 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-13 00:08:22,751 INFO L168 Benchmark]: Toolchain (without parser) took 3568.80 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.0 MB in the beginning and 42.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:22,752 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:22,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.40 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 38.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:22,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.59 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 36.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:08:22,756 INFO L168 Benchmark]: Boogie Preprocessor took 35.42 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 35.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:22,758 INFO L168 Benchmark]: RCFGBuilder took 2585.35 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 51.9 MB in the end (delta: -16.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:22,767 INFO L168 Benchmark]: TraceAbstraction took 463.85 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 42.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:08:22,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.40 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 38.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.59 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 36.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.42 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 35.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2585.35 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 51.9 MB in the end (delta: -16.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 463.85 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 42.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:08:22,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff8e47d-ec9a-4229-8f4a-8ce316d8e110/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...