./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.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_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/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_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/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_004141a2-39a8-4b8c-b1c6-a04fada832f8/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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/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_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/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_004141a2-39a8-4b8c-b1c6-a04fada832f8/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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c ............................................................................................................................................................................................................................................................................ 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 19:11:59,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:11:59,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:11:59,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:11:59,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:11:59,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:11:59,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:11:59,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:11:59,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:11:59,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:11:59,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:11:59,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:11:59,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:11:59,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:11:59,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:11:59,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:11:59,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:11:59,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:11:59,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:11:59,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:11:59,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:11:59,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:11:59,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:11:59,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:11:59,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:11:59,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:11:59,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:11:59,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:11:59,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:11:59,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:11:59,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:11:59,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:11:59,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:11:59,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:11:59,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:11:59,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:11:59,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:11:59,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:11:59,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:11:59,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:11:59,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:11:59,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:11:59,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:11:59,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:11:59,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:11:59,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:11:59,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:11:59,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:11:59,213 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:11:59,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:11:59,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:11:59,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:11:59,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:11:59,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:11:59,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:11:59,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:11:59,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:11:59,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:11:59,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:11:59,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:11:59,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:11:59,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:11:59,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:11:59,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:11:59,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:11:59,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:11:59,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:11:59,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:11:59,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:11:59,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:11:59,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:11:59,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:11:59,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:11:59,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:11:59,220 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2021-10-15 19:11:59,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:11:59,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:11:59,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:11:59,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:11:59,579 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:11:59,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2021-10-15 19:11:59,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/4f6ca6c5d/11e7971581324efe98b3e4289d1a8f0a/FLAG1ab270be2 [2021-10-15 19:12:00,305 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:12:00,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2021-10-15 19:12:00,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/4f6ca6c5d/11e7971581324efe98b3e4289d1a8f0a/FLAG1ab270be2 [2021-10-15 19:12:00,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/4f6ca6c5d/11e7971581324efe98b3e4289d1a8f0a [2021-10-15 19:12:00,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:12:00,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:12:00,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:00,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:12:00,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:12:00,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:00" (1/1) ... [2021-10-15 19:12:00,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbc6dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:00, skipping insertion in model container [2021-10-15 19:12:00,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:00" (1/1) ... [2021-10-15 19:12:00,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:12:00,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:12:00,930 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2021-10-15 19:12:00,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:00,943 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:12:01,011 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2021-10-15 19:12:01,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:01,054 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:12:01,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01 WrapperNode [2021-10-15 19:12:01,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:01,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:01,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:12:01,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:12:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:01,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:12:01,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:12:01,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:12:01,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:12:01,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:12:01,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:12:01,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:12:01,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (1/1) ... [2021-10-15 19:12:01,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:12:01,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:12:01,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:12:01,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:12:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:12:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:12:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:12:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:12:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:12:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:12:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:12:02,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:12:02,199 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-15 19:12:02,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:12:02 BoogieIcfgContainer [2021-10-15 19:12:02,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:12:02,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:12:02,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:12:02,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:12:02,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:12:00" (1/3) ... [2021-10-15 19:12:02,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8397b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:12:02, skipping insertion in model container [2021-10-15 19:12:02,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:01" (2/3) ... [2021-10-15 19:12:02,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8397b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:12:02, skipping insertion in model container [2021-10-15 19:12:02,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:12:02" (3/3) ... [2021-10-15 19:12:02,209 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2021-10-15 19:12:02,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:12:02,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:12:02,283 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:12:02,293 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 19:12:02,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:12:02,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 207 transitions, 414 flow [2021-10-15 19:12:02,403 INFO L129 PetriNetUnfolder]: 84/207 cut-off events. [2021-10-15 19:12:02,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:02,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 207 events. 84/207 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 19:12:02,410 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 207 transitions, 414 flow [2021-10-15 19:12:02,428 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 201 transitions, 402 flow [2021-10-15 19:12:02,442 INFO L129 PetriNetUnfolder]: 12/41 cut-off events. [2021-10-15 19:12:02,444 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:02,445 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:12:02,445 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:12:02,446 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:12:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:12:02,455 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2021-10-15 19:12:02,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:12:02,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392605421] [2021-10-15 19:12:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:12:02,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:12:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:12:02,709 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 19:12:02,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:12:02,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392605421] [2021-10-15 19:12:02,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392605421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:12:02,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:12:02,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:12:02,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839853942] [2021-10-15 19:12:02,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:12:02,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:12:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:12:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:12:02,748 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 207 [2021-10-15 19:12:02,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 201 transitions, 402 flow. Second operand has 2 states, 2 states have (on average 175.5) internal successors, (351), 2 states have internal predecessors, (351), 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 19:12:02,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:12:02,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 207 [2021-10-15 19:12:02,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:12:02,822 INFO L129 PetriNetUnfolder]: 50/169 cut-off events. [2021-10-15 19:12:02,828 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:02,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 169 events. 50/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 408 event pairs, 0 based on Foata normal form. 32/151 useless extension candidates. Maximal degree in co-relation 169. Up to 20 conditions per place. [2021-10-15 19:12:02,832 INFO L132 encePairwiseOnDemand]: 175/207 looper letters, 0 selfloop transitions, 0 changer transitions 0/169 dead transitions. [2021-10-15 19:12:02,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 169 transitions, 338 flow [2021-10-15 19:12:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:12:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:12:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 380 transitions. [2021-10-15 19:12:02,857 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9178743961352657 [2021-10-15 19:12:02,858 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 380 transitions. [2021-10-15 19:12:02,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 380 transitions. [2021-10-15 19:12:02,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:12:02,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 380 transitions. [2021-10-15 19:12:02,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 190.0) internal successors, (380), 2 states have internal predecessors, (380), 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 19:12:02,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 19:12:02,884 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 19:12:02,886 INFO L186 Difference]: Start difference. First operand has 120 places, 201 transitions, 402 flow. Second operand 2 states and 380 transitions. [2021-10-15 19:12:02,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 169 transitions, 338 flow [2021-10-15 19:12:02,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 169 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:12:02,902 INFO L242 Difference]: Finished difference. Result has 121 places, 169 transitions, 338 flow [2021-10-15 19:12:02,905 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=338, PETRI_PLACES=121, PETRI_TRANSITIONS=169} [2021-10-15 19:12:02,906 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2021-10-15 19:12:02,907 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 169 transitions, 338 flow [2021-10-15 19:12:02,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 175.5) internal successors, (351), 2 states have internal predecessors, (351), 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 19:12:02,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:12:02,909 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:12:02,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:12:02,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:12:02,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:12:02,911 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2021-10-15 19:12:02,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:12:02,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860262504] [2021-10-15 19:12:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:12:02,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:12:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:12:03,072 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 19:12:03,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:12:03,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860262504] [2021-10-15 19:12:03,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860262504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:12:03,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:12:03,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:12:03,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468259157] [2021-10-15 19:12:03,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:12:03,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:12:03,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:12:03,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:12:03,081 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 207 [2021-10-15 19:12:03,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 169 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 19:12:03,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:12:03,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 207 [2021-10-15 19:12:03,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:12:03,136 INFO L129 PetriNetUnfolder]: 49/169 cut-off events. [2021-10-15 19:12:03,136 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:03,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 169 events. 49/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 400 event pairs, 0 based on Foata normal form. 1/120 useless extension candidates. Maximal degree in co-relation 175. Up to 20 conditions per place. [2021-10-15 19:12:03,140 INFO L132 encePairwiseOnDemand]: 205/207 looper letters, 5 selfloop transitions, 0 changer transitions 1/169 dead transitions. [2021-10-15 19:12:03,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 169 transitions, 350 flow [2021-10-15 19:12:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:12:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:12:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2021-10-15 19:12:03,149 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8180354267310789 [2021-10-15 19:12:03,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2021-10-15 19:12:03,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2021-10-15 19:12:03,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:12:03,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2021-10-15 19:12:03,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 19:12:03,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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 19:12:03,156 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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 19:12:03,156 INFO L186 Difference]: Start difference. First operand has 121 places, 169 transitions, 338 flow. Second operand 3 states and 508 transitions. [2021-10-15 19:12:03,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 169 transitions, 350 flow [2021-10-15 19:12:03,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 169 transitions, 350 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:12:03,163 INFO L242 Difference]: Finished difference. Result has 124 places, 168 transitions, 338 flow [2021-10-15 19:12:03,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=124, PETRI_TRANSITIONS=168} [2021-10-15 19:12:03,164 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 4 predicate places. [2021-10-15 19:12:03,164 INFO L470 AbstractCegarLoop]: Abstraction has has 124 places, 168 transitions, 338 flow [2021-10-15 19:12:03,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 19:12:03,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:12:03,166 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:12:03,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:12:03,166 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:12:03,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:12:03,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2021-10-15 19:12:03,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:12:03,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881461613] [2021-10-15 19:12:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:12:03,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:12:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:12:03,369 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:12:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:12:03,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:12:03,570 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:12:03,571 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:12:03,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-15 19:12:03,578 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:12:03,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:12:03 BoogieIcfgContainer [2021-10-15 19:12:03,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:12:03,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:12:03,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:12:03,662 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:12:03,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:12:02" (3/4) ... [2021-10-15 19:12:03,665 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:12:03,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:12:03,669 INFO L168 Benchmark]: Toolchain (without parser) took 3058.91 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 63.0 MB in the beginning and 71.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,670 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:12:03,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.25 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 100.5 MB in the end (delta: -37.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.41 ms. Allocated memory is still 132.1 MB. Free memory was 100.5 MB in the beginning and 96.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,678 INFO L168 Benchmark]: Boogie Preprocessor took 83.91 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 93.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,679 INFO L168 Benchmark]: RCFGBuilder took 938.61 ms. Allocated memory is still 132.1 MB. Free memory was 93.7 MB in the beginning and 105.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,680 INFO L168 Benchmark]: TraceAbstraction took 1458.35 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 71.9 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:03,680 INFO L168 Benchmark]: Witness Printer took 4.17 ms. Allocated memory is still 132.1 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:12:03,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.25 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 100.5 MB in the end (delta: -37.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.41 ms. Allocated memory is still 132.1 MB. Free memory was 100.5 MB in the beginning and 96.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.91 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 93.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 938.61 ms. Allocated memory is still 132.1 MB. Free memory was 93.7 MB in the beginning and 105.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1458.35 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 71.9 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.17 ms. Allocated memory is still 132.1 MB. Free memory is still 71.9 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: 287]: 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 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L287] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1301.9ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 256.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 144.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.9ms SsaConstructionTime, 334.1ms SatisfiabilityAnalysisTime, 154.1ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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 [2021-10-15 19:12:03,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/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 19:12:06,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:12:06,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:12:06,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:12:06,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:12:06,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:12:06,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:12:06,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:12:06,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:12:06,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:12:06,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:12:06,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:12:06,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:12:06,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:12:06,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:12:06,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:12:06,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:12:06,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:12:06,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:12:06,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:12:06,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:12:06,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:12:06,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:12:06,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:12:06,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:12:06,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:12:06,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:12:06,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:12:06,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:12:06,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:12:06,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:12:06,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:12:06,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:12:06,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:12:06,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:12:06,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:12:06,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:12:06,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:12:06,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:12:06,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:12:06,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:12:06,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:12:06,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:12:06,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:12:06,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:12:06,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:12:06,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:12:06,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:12:06,492 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:12:06,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:12:06,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:12:06,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:12:06,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:12:06,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:12:06,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:12:06,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:12:06,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:12:06,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:12:06,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:12:06,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:12:06,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:12:06,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:12:06,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:12:06,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:12:06,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:12:06,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:12:06,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:12:06,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:12:06,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:12:06,497 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:12:06,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:12:06,497 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:12:06,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:12:06,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:12:06,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:12:06,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:12:06,499 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2021-10-15 19:12:06,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:12:06,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:12:06,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:12:06,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:12:06,904 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:12:06,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2021-10-15 19:12:06,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/b0c43ac30/2a57c71b4bc049a39e7b997f88b32e09/FLAG0809646a4 [2021-10-15 19:12:07,605 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:12:07,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2021-10-15 19:12:07,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/b0c43ac30/2a57c71b4bc049a39e7b997f88b32e09/FLAG0809646a4 [2021-10-15 19:12:07,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/data/b0c43ac30/2a57c71b4bc049a39e7b997f88b32e09 [2021-10-15 19:12:07,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:12:07,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:12:07,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:07,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:12:07,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:12:07,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:07" (1/1) ... [2021-10-15 19:12:07,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209dc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:07, skipping insertion in model container [2021-10-15 19:12:07,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:07" (1/1) ... [2021-10-15 19:12:07,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:12:07,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:12:08,163 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2021-10-15 19:12:08,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:08,203 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:12:08,289 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_004141a2-39a8-4b8c-b1c6-a04fada832f8/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c[6875,6888] [2021-10-15 19:12:08,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:08,323 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:12:08,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08 WrapperNode [2021-10-15 19:12:08,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:08,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:08,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:12:08,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:12:08,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:08,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:12:08,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:12:08,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:12:08,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:12:08,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:12:08,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:12:08,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:12:08,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (1/1) ... [2021-10-15 19:12:08,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:12:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:12:08,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:12:08,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:12:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:12:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:12:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:12:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:12:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:12:48,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:12:48,593 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-15 19:12:48,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:12:48 BoogieIcfgContainer [2021-10-15 19:12:48,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:12:48,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:12:48,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:12:48,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:12:48,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:12:07" (1/3) ... [2021-10-15 19:12:48,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354bdf3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:12:48, skipping insertion in model container [2021-10-15 19:12:48,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:08" (2/3) ... [2021-10-15 19:12:48,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354bdf3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:12:48, skipping insertion in model container [2021-10-15 19:12:48,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:12:48" (3/3) ... [2021-10-15 19:12:48,608 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2021-10-15 19:12:48,615 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:12:48,616 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:12:48,678 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:12:48,685 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 19:12:48,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:12:48,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 207 transitions, 414 flow [2021-10-15 19:12:48,804 INFO L129 PetriNetUnfolder]: 84/207 cut-off events. [2021-10-15 19:12:48,804 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:48,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 207 events. 84/207 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 19:12:48,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 207 transitions, 414 flow [2021-10-15 19:12:48,828 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 201 transitions, 402 flow [2021-10-15 19:12:48,841 INFO L129 PetriNetUnfolder]: 12/41 cut-off events. [2021-10-15 19:12:48,841 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:12:48,842 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:12:48,842 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:12:48,843 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:12:48,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:12:48,854 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2021-10-15 19:12:48,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:12:48,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411569063] [2021-10-15 19:12:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:12:48,877 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:12:48,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:12:48,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:12:48,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:12:49,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-15 19:12:49,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:12:49,207 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 19:12:49,214 INFO L168 Benchmark]: Toolchain (without parser) took 41292.00 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 45.9 MB in the beginning and 46.2 MB in the end (delta: -370.9 kB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,215 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:12:49,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.89 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 45.4 MB in the end (delta: 351.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.84 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,218 INFO L168 Benchmark]: Boogie Preprocessor took 84.52 ms. Allocated memory is still 67.1 MB. Free memory was 41.7 MB in the beginning and 37.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,219 INFO L168 Benchmark]: RCFGBuilder took 40104.29 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.9 MB in the beginning and 61.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,220 INFO L168 Benchmark]: TraceAbstraction took 612.58 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 46.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:12:49,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.89 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 45.4 MB in the end (delta: 351.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.84 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.52 ms. Allocated memory is still 67.1 MB. Free memory was 41.7 MB in the beginning and 37.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40104.29 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.9 MB in the beginning and 61.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 612.58 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 46.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 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 19:12:49,472 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-15 19:12:49,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004141a2-39a8-4b8c-b1c6-a04fada832f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...