./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3 --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 e37ba74c70ee452f780b10cba83059c905066e35 ...................................................................................................................................................................................................................................................................................................................................... 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3 --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 e37ba74c70ee452f780b10cba83059c905066e35 ........................................................................................................................................................................................................................................................................... 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-5709675 [2021-10-15 19:55:38,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:55:38,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:55:38,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:55:38,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:55:38,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:55:38,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:55:38,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:55:38,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:55:38,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:55:38,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:55:38,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:55:38,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:55:38,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:55:38,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:55:38,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:55:38,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:55:38,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:55:38,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:55:38,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:55:38,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:55:38,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:55:38,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:55:38,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:55:38,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:55:38,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:55:38,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:55:38,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:55:38,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:55:38,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:55:38,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:55:38,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:55:38,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:55:38,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:55:38,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:55:38,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:55:38,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:55:38,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:55:38,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:55:38,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:55:38,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:55:38,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:55:38,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:55:38,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:55:38,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:55:38,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:55:38,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:55:38,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:55:38,378 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:55:38,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:55:38,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:55:38,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:55:38,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:55:38,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:55:38,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:55:38,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:55:38,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:55:38,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:55:38,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:55:38,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:55:38,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:55:38,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:55:38,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:55:38,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:55:38,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:55:38,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:55:38,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:55:38,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:55:38,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:55:38,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:55:38,385 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:55:38,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:55:38,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:55:38,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:55:38,388 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e37ba74c70ee452f780b10cba83059c905066e35 [2021-10-15 19:55:38,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:55:38,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:55:38,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:55:38,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:55:38,781 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:55:38,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2021-10-15 19:55:38,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/175e2df2b/6e56949f6b6942b584692b019816dd6b/FLAGc43c09dcd [2021-10-15 19:55:39,395 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:55:39,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2021-10-15 19:55:39,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/175e2df2b/6e56949f6b6942b584692b019816dd6b/FLAGc43c09dcd [2021-10-15 19:55:39,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/175e2df2b/6e56949f6b6942b584692b019816dd6b [2021-10-15 19:55:39,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:55:39,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:55:39,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:55:39,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:55:39,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:55:39,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:55:39" (1/1) ... [2021-10-15 19:55:39,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f36cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:39, skipping insertion in model container [2021-10-15 19:55:39,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:55:39" (1/1) ... [2021-10-15 19:55:39,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:55:39,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:55:40,083 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c[3907,3920] [2021-10-15 19:55:40,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:55:40,094 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:55:40,140 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c[3907,3920] [2021-10-15 19:55:40,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:55:40,169 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:55:40,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40 WrapperNode [2021-10-15 19:55:40,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:55:40,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:55:40,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:55:40,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:55:40,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:55:40,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:55:40,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:55:40,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:55:40,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:55:40,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:55:40,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:55:40,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:55:40,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (1/1) ... [2021-10-15 19:55:40,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:55:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:55:40,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:55:40,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:55:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:55:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:55:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:55:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:55:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:55:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:55:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:55:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:55:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:55:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:55:41,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:55:41,014 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:55:41,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:55:41 BoogieIcfgContainer [2021-10-15 19:55:41,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:55:41,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:55:41,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:55:41,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:55:41,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:55:39" (1/3) ... [2021-10-15 19:55:41,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c202e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:55:41, skipping insertion in model container [2021-10-15 19:55:41,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:40" (2/3) ... [2021-10-15 19:55:41,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c202e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:55:41, skipping insertion in model container [2021-10-15 19:55:41,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:55:41" (3/3) ... [2021-10-15 19:55:41,032 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2021-10-15 19:55:41,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:55:41,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:55:41,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:55:41,102 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=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 [2021-10-15 19:55:41,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:55:41,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:55:41,185 INFO L129 PetriNetUnfolder]: 42/96 cut-off events. [2021-10-15 19:55:41,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:55:41,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 96 events. 42/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:55:41,187 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:55:41,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 92 transitions, 184 flow [2021-10-15 19:55:41,199 INFO L129 PetriNetUnfolder]: 15/38 cut-off events. [2021-10-15 19:55:41,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:55:41,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:55:41,200 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:55:41,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:55:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:55:41,207 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-10-15 19:55:41,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:55:41,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827699246] [2021-10-15 19:55:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:55:41,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:55:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:55:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:55:41,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:55:41,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827699246] [2021-10-15 19:55:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827699246] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:55:41,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:55:41,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:55:41,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271437345] [2021-10-15 19:55:41,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:55:41,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:55:41,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:55:41,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:55:41,412 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 96 [2021-10-15 19:55:41,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 92 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 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) [2021-10-15 19:55:41,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:55:41,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 96 [2021-10-15 19:55:41,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:55:41,437 INFO L129 PetriNetUnfolder]: 27/78 cut-off events. [2021-10-15 19:55:41,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:55:41,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 78 events. 27/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 110 event pairs, 0 based on Foata normal form. 14/65 useless extension candidates. Maximal degree in co-relation 78. Up to 6 conditions per place. [2021-10-15 19:55:41,441 INFO L132 encePairwiseOnDemand]: 82/96 looper letters, 0 selfloop transitions, 0 changer transitions 0/78 dead transitions. [2021-10-15 19:55:41,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 78 transitions, 156 flow [2021-10-15 19:55:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:55:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:55:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 176 transitions. [2021-10-15 19:55:41,455 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2021-10-15 19:55:41,456 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 176 transitions. [2021-10-15 19:55:41,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 176 transitions. [2021-10-15 19:55:41,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:55:41,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 176 transitions. [2021-10-15 19:55:41,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 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) [2021-10-15 19:55:41,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-10-15 19:55:41,471 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-10-15 19:55:41,476 INFO L186 Difference]: Start difference. First operand has 52 places, 92 transitions, 184 flow. Second operand 2 states and 176 transitions. [2021-10-15 19:55:41,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 78 transitions, 156 flow [2021-10-15 19:55:41,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:55:41,489 INFO L242 Difference]: Finished difference. Result has 53 places, 78 transitions, 156 flow [2021-10-15 19:55:41,496 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=156, PETRI_PLACES=53, PETRI_TRANSITIONS=78} [2021-10-15 19:55:41,497 INFO L334 CegarLoopForPetriNet]: 52 programPoint places, 1 predicate places. [2021-10-15 19:55:41,498 INFO L470 AbstractCegarLoop]: Abstraction has has 53 places, 78 transitions, 156 flow [2021-10-15 19:55:41,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 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) [2021-10-15 19:55:41,499 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:55:41,500 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:55:41,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:55:41,500 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:55:41,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:55:41,501 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2021-10-15 19:55:41,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:55:41,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025888256] [2021-10-15 19:55:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:55:41,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:55:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:55:41,659 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:55:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:55:41,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:55:41,791 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:55:41,793 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:55:41,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:55:41,801 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:55:41,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:55:41 BoogieIcfgContainer [2021-10-15 19:55:41,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:55:41,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:55:41,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:55:41,853 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:55:41,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:55:41" (3/4) ... [2021-10-15 19:55:41,857 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:55:41,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:55:41,860 INFO L168 Benchmark]: Toolchain (without parser) took 2130.58 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 77.3 MB in the beginning and 81.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,861 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:55:41,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.91 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 80.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 78.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,871 INFO L168 Benchmark]: Boogie Preprocessor took 83.58 ms. Allocated memory is still 109.1 MB. Free memory was 78.2 MB in the beginning and 76.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,872 INFO L168 Benchmark]: RCFGBuilder took 668.82 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 58.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,874 INFO L168 Benchmark]: TraceAbstraction took 829.10 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 58.0 MB in the beginning and 81.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:41,876 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 132.1 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:55:41,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.91 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 80.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 78.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.58 ms. Allocated memory is still 109.1 MB. Free memory was 78.2 MB in the beginning and 76.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 668.82 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 58.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 829.10 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 58.0 MB in the beginning and 81.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 132.1 MB. Free memory is still 81.4 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: 178]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={6:0}] [L172] double x = -1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={6:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L174] double res = fmod_double(x, y); [L18] return x != x; VAL [one_fmod=1, Zero_fmod={6:0}] [L177] COND TRUE !isnan_double(res) [L178] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 708.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 91.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 91.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.0ms SsaConstructionTime, 165.2ms SatisfiabilityAnalysisTime, 62.4ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-15 19:55:41,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/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-5709675 [2021-10-15 19:55:44,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:55:44,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:55:44,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:55:44,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:55:44,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:55:44,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:55:44,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:55:44,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:55:44,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:55:44,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:55:44,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:55:44,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:55:44,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:55:44,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:55:44,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:55:44,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:55:44,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:55:44,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:55:44,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:55:44,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:55:44,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:55:44,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:55:44,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:55:44,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:55:44,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:55:44,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:55:44,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:55:44,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:55:44,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:55:44,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:55:44,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:55:44,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:55:44,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:55:44,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:55:44,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:55:44,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:55:44,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:55:44,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:55:44,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:55:44,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:55:44,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:55:44,727 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:55:44,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:55:44,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:55:44,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:55:44,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:55:44,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:55:44,731 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:55:44,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:55:44,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:55:44,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:55:44,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:55:44,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:55:44,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:55:44,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:55:44,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:55:44,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:55:44,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:55:44,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:55:44,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:55:44,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:55:44,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:55:44,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:55:44,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:55:44,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:55:44,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:55:44,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:55:44,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:55:44,736 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:55:44,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:55:44,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:55:44,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:55:44,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:55:44,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:55:44,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:55:44,738 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e37ba74c70ee452f780b10cba83059c905066e35 [2021-10-15 19:55:45,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:55:45,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:55:45,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:55:45,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:55:45,187 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:55:45,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2021-10-15 19:55:45,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/567d9df1f/d0fd29dcb8ae4464a8939f779666a061/FLAGe1d658854 [2021-10-15 19:55:45,957 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:55:45,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2021-10-15 19:55:45,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/567d9df1f/d0fd29dcb8ae4464a8939f779666a061/FLAGe1d658854 [2021-10-15 19:55:46,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/data/567d9df1f/d0fd29dcb8ae4464a8939f779666a061 [2021-10-15 19:55:46,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:55:46,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:55:46,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:55:46,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:55:46,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:55:46,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48176036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46, skipping insertion in model container [2021-10-15 19:55:46,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:55:46,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:55:46,567 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c[3907,3920] [2021-10-15 19:55:46,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:55:46,618 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:55:46,678 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_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c[3907,3920] [2021-10-15 19:55:46,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:55:46,701 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:55:46,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46 WrapperNode [2021-10-15 19:55:46,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:55:46,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:55:46,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:55:46,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:55:46,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:55:46,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:55:46,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:55:46,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:55:46,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:55:46,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:55:46,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:55:46,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:55:46,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (1/1) ... [2021-10-15 19:55:46,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:55:46,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:55:46,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:55:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:55:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 19:55:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-15 19:55:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:55:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:55:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 19:55:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:55:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:55:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:55:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:55:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:55:52,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:55:52,327 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:55:52,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:55:52 BoogieIcfgContainer [2021-10-15 19:55:52,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:55:52,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:55:52,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:55:52,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:55:52,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:55:46" (1/3) ... [2021-10-15 19:55:52,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351b392c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:55:52, skipping insertion in model container [2021-10-15 19:55:52,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:55:46" (2/3) ... [2021-10-15 19:55:52,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351b392c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:55:52, skipping insertion in model container [2021-10-15 19:55:52,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:55:52" (3/3) ... [2021-10-15 19:55:52,341 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2021-10-15 19:55:52,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:55:52,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:55:52,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:55:52,409 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=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 [2021-10-15 19:55:52,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:55:52,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:55:52,458 INFO L129 PetriNetUnfolder]: 42/96 cut-off events. [2021-10-15 19:55:52,458 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:55:52,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 96 events. 42/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:55:52,461 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:55:52,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 92 transitions, 184 flow [2021-10-15 19:55:52,475 INFO L129 PetriNetUnfolder]: 15/38 cut-off events. [2021-10-15 19:55:52,475 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:55:52,476 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:55:52,476 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:55:52,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:55:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:55:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-10-15 19:55:52,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:55:52,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553177413] [2021-10-15 19:55:52,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:55:52,498 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:55:52,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:55:52,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:55:52,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:55:52,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-15 19:55:52,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:55:52,831 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 [2021-10-15 19:55:52,836 INFO L168 Benchmark]: Toolchain (without parser) took 6540.51 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 42.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,836 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:55:52,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.84 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 44.9 MB in the end (delta: -834.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 42.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,839 INFO L168 Benchmark]: Boogie Preprocessor took 45.62 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,840 INFO L168 Benchmark]: RCFGBuilder took 5513.18 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 40.4 MB in the beginning and 55.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,841 INFO L168 Benchmark]: TraceAbstraction took 501.03 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 42.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:55:52,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.84 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 44.9 MB in the end (delta: -834.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 42.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.62 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5513.18 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 40.4 MB in the beginning and 55.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 501.03 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 42.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 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. [2021-10-15 19:55:52,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98583f3-2eab-4e27-a58f-3eeff31ffbcc/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...