./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.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_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/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_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/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_b5bec660-b198-49a4-8cce-f8db6c03d085/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 3a0740a185a491545b0a653a1a7a9df9d4659bae ...................................................................................................................................................................................................................................................................................................................................... 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_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/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_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/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_b5bec660-b198-49a4-8cce-f8db6c03d085/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 3a0740a185a491545b0a653a1a7a9df9d4659bae ........................................................................................................................................................................................................................................................................... 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 19:39:21,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:39:21,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:39:21,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:39:21,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:39:21,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:39:21,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:39:21,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:39:21,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:39:21,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:39:21,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:39:21,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:39:21,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:39:21,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:39:21,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:39:21,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:39:21,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:39:21,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:39:21,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:39:21,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:39:21,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:39:21,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:39:22,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:39:22,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:39:22,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:39:22,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:39:22,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:39:22,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:39:22,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:39:22,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:39:22,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:39:22,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:39:22,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:39:22,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:39:22,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:39:22,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:39:22,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:39:22,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:39:22,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:39:22,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:39:22,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:39:22,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:39:22,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:39:22,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:39:22,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:39:22,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:39:22,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:39:22,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:39:22,089 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:39:22,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:39:22,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:39:22,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:39:22,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:39:22,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:39:22,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:39:22,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:39:22,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:39:22,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:39:22,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:39:22,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:39:22,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:39:22,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:39:22,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:39:22,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:39:22,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:39:22,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:39:22,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:39:22,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:39:22,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:39:22,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:39:22,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:39:22,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:39:22,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:39:22,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:39:22,098 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_b5bec660-b198-49a4-8cce-f8db6c03d085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2021-10-15 19:39:22,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:39:22,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:39:22,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:39:22,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:39:22,458 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:39:22,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-10-15 19:39:22,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/c4f09ae21/0b62ef5649fb475f802e0e5239359a22/FLAG62e0cc724 [2021-10-15 19:39:23,108 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:39:23,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-10-15 19:39:23,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/c4f09ae21/0b62ef5649fb475f802e0e5239359a22/FLAG62e0cc724 [2021-10-15 19:39:23,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/c4f09ae21/0b62ef5649fb475f802e0e5239359a22 [2021-10-15 19:39:23,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:39:23,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:39:23,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:39:23,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:39:23,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:39:23,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a95a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23, skipping insertion in model container [2021-10-15 19:39:23,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:39:23,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:39:23,760 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_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-10-15 19:39:23,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:39:23,776 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:39:23,839 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_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-10-15 19:39:23,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:39:23,855 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:39:23,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23 WrapperNode [2021-10-15 19:39:23,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:39:23,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:39:23,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:39:23,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:39:23,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:39:23,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:39:23,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:39:23,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:39:23,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:23,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:24,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:39:24,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:39:24,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:39:24,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:39:24,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (1/1) ... [2021-10-15 19:39:24,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:39:24,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:39:24,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:39:24,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:39:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:39:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:39:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:39:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:39:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:39:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:39:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:39:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:39:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:39:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:39:24,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:39:24,667 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:39:24,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:39:24 BoogieIcfgContainer [2021-10-15 19:39:24,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:39:24,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:39:24,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:39:24,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:39:24,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:39:23" (1/3) ... [2021-10-15 19:39:24,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b1c285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:39:24, skipping insertion in model container [2021-10-15 19:39:24,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:23" (2/3) ... [2021-10-15 19:39:24,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b1c285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:39:24, skipping insertion in model container [2021-10-15 19:39:24,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:39:24" (3/3) ... [2021-10-15 19:39:24,685 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2021-10-15 19:39:24,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:39:24,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:39:24,751 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:39:24,760 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 19:39:24,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:39:24,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:39:24,827 INFO L129 PetriNetUnfolder]: 42/96 cut-off events. [2021-10-15 19:39:24,828 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:39:24,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 96 events. 42/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:39:24,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:39:24,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 92 transitions, 184 flow [2021-10-15 19:39:24,855 INFO L129 PetriNetUnfolder]: 15/38 cut-off events. [2021-10-15 19:39:24,857 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:39:24,857 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:39:24,858 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:39:24,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:39:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:39:24,865 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-10-15 19:39:24,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:39:24,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647819310] [2021-10-15 19:39:24,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:39:24,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:39:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:39:25,090 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 19:39:25,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:39:25,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647819310] [2021-10-15 19:39:25,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647819310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:39:25,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:39:25,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:39:25,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389955993] [2021-10-15 19:39:25,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:39:25,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:39:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:39:25,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:39:25,125 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 96 [2021-10-15 19:39:25,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 92 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:39:25,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:39:25,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 96 [2021-10-15 19:39:25,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:39:25,161 INFO L129 PetriNetUnfolder]: 27/78 cut-off events. [2021-10-15 19:39:25,162 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:39:25,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 78 events. 27/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 110 event pairs, 0 based on Foata normal form. 14/65 useless extension candidates. Maximal degree in co-relation 78. Up to 6 conditions per place. [2021-10-15 19:39:25,166 INFO L132 encePairwiseOnDemand]: 82/96 looper letters, 0 selfloop transitions, 0 changer transitions 0/78 dead transitions. [2021-10-15 19:39:25,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 78 transitions, 156 flow [2021-10-15 19:39:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:39:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:39:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 176 transitions. [2021-10-15 19:39:25,183 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2021-10-15 19:39:25,183 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 176 transitions. [2021-10-15 19:39:25,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 176 transitions. [2021-10-15 19:39:25,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:39:25,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 176 transitions. [2021-10-15 19:39:25,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:39:25,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:39:25,203 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:39:25,205 INFO L186 Difference]: Start difference. First operand has 52 places, 92 transitions, 184 flow. Second operand 2 states and 176 transitions. [2021-10-15 19:39:25,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 78 transitions, 156 flow [2021-10-15 19:39:25,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:39:25,215 INFO L242 Difference]: Finished difference. Result has 53 places, 78 transitions, 156 flow [2021-10-15 19:39:25,217 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=156, PETRI_PLACES=53, PETRI_TRANSITIONS=78} [2021-10-15 19:39:25,218 INFO L334 CegarLoopForPetriNet]: 52 programPoint places, 1 predicate places. [2021-10-15 19:39:25,219 INFO L470 AbstractCegarLoop]: Abstraction has has 53 places, 78 transitions, 156 flow [2021-10-15 19:39:25,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:39:25,219 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:39:25,220 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:39:25,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:39:25,221 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:39:25,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:39:25,221 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2021-10-15 19:39:25,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:39:25,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113883164] [2021-10-15 19:39:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:39:25,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:39:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:39:25,365 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:39:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:39:25,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:39:25,480 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:39:25,482 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:39:25,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:39:25,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:39:25,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:39:25 BoogieIcfgContainer [2021-10-15 19:39:25,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:39:25,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:39:25,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:39:25,535 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:39:25,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:39:24" (3/4) ... [2021-10-15 19:39:25,540 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:39:25,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:39:25,543 INFO L168 Benchmark]: Toolchain (without parser) took 2081.09 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 65.1 MB in the beginning and 76.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,544 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:39:25,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.82 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 64.9 MB in the beginning and 96.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.43 ms. Allocated memory is still 123.7 MB. Free memory was 96.4 MB in the beginning and 93.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,553 INFO L168 Benchmark]: Boogie Preprocessor took 56.00 ms. Allocated memory is still 123.7 MB. Free memory was 93.9 MB in the beginning and 92.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,555 INFO L168 Benchmark]: RCFGBuilder took 666.75 ms. Allocated memory is still 123.7 MB. Free memory was 91.8 MB in the beginning and 74.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,556 INFO L168 Benchmark]: TraceAbstraction took 860.75 ms. Allocated memory is still 123.7 MB. Free memory was 73.7 MB in the beginning and 77.2 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:39:25,559 INFO L168 Benchmark]: Witness Printer took 6.31 ms. Allocated memory is still 123.7 MB. Free memory was 77.2 MB in the beginning and 76.6 MB in the end (delta: 571.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:25,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.82 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 64.9 MB in the beginning and 96.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.43 ms. Allocated memory is still 123.7 MB. Free memory was 96.4 MB in the beginning and 93.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.00 ms. Allocated memory is still 123.7 MB. Free memory was 93.9 MB in the beginning and 92.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 666.75 ms. Allocated memory is still 123.7 MB. Free memory was 91.8 MB in the beginning and 74.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 860.75 ms. Allocated memory is still 123.7 MB. Free memory was 73.7 MB in the beginning and 77.2 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.31 ms. Allocated memory is still 123.7 MB. Free memory was 77.2 MB in the beginning and 76.6 MB in the end (delta: 571.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 178]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={6:0}] [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={6:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L174] double res = fmod_double(x, y); [L18] return x != x; VAL [one_fmod=1, Zero_fmod={6:0}] [L177] COND TRUE !isnan_double(res) [L178] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 743.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 104.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 90.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.3ms SsaConstructionTime, 154.3ms SatisfiabilityAnalysisTime, 65.5ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:39:25,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/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 19:39:28,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:39:28,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:39:28,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:39:28,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:39:28,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:39:28,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:39:28,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:39:28,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:39:28,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:39:28,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:39:28,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:39:28,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:39:28,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:39:28,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:39:28,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:39:28,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:39:28,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:39:28,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:39:28,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:39:28,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:39:28,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:39:28,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:39:28,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:39:28,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:39:28,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:39:28,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:39:28,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:39:28,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:39:28,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:39:28,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:39:28,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:39:28,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:39:28,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:39:28,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:39:28,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:39:28,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:39:28,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:39:28,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:39:28,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:39:28,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:39:28,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:39:28,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:39:28,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:39:28,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:39:28,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:39:28,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:39:28,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:39:28,289 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:39:28,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:39:28,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:39:28,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:39:28,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:39:28,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:39:28,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:39:28,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:39:28,292 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:39:28,292 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:39:28,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:39:28,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:39:28,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:39:28,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:39:28,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:39:28,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:39:28,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:39:28,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:39:28,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:39:28,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:39:28,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:39:28,295 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:39:28,296 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:39:28,296 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:39:28,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:39:28,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:39:28,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:39:28,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:39:28,297 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_b5bec660-b198-49a4-8cce-f8db6c03d085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2021-10-15 19:39:28,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:39:28,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:39:28,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:39:28,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:39:28,721 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:39:28,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-10-15 19:39:28,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/27f964aec/b9b6fa4371ad4c5f8e8d4b925c11d685/FLAGc0a119157 [2021-10-15 19:39:29,417 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:39:29,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-10-15 19:39:29,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/27f964aec/b9b6fa4371ad4c5f8e8d4b925c11d685/FLAGc0a119157 [2021-10-15 19:39:29,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/data/27f964aec/b9b6fa4371ad4c5f8e8d4b925c11d685 [2021-10-15 19:39:29,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:39:29,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:39:29,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:39:29,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:39:29,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:39:29,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:39:29" (1/1) ... [2021-10-15 19:39:29,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f225d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:29, skipping insertion in model container [2021-10-15 19:39:29,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:39:29" (1/1) ... [2021-10-15 19:39:29,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:39:29,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:39:30,045 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_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-10-15 19:39:30,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:39:30,068 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:39:30,148 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_b5bec660-b198-49a4-8cce-f8db6c03d085/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-10-15 19:39:30,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:39:30,166 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:39:30,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30 WrapperNode [2021-10-15 19:39:30,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:39:30,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:39:30,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:39:30,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:39:30,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:39:30,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:39:30,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:39:30,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:39:30,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:39:30,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:39:30,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:39:30,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:39:30,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (1/1) ... [2021-10-15 19:39:30,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:39:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:39:30,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:39:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:39:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 19:39:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-15 19:39:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:39:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:39:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 19:39:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:39:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:39:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:39:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:39:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:39:35,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:39:35,694 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:39:35,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:39:35 BoogieIcfgContainer [2021-10-15 19:39:35,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:39:35,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:39:35,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:39:35,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:39:35,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:39:29" (1/3) ... [2021-10-15 19:39:35,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f01b707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:39:35, skipping insertion in model container [2021-10-15 19:39:35,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:39:30" (2/3) ... [2021-10-15 19:39:35,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f01b707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:39:35, skipping insertion in model container [2021-10-15 19:39:35,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:39:35" (3/3) ... [2021-10-15 19:39:35,705 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2021-10-15 19:39:35,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:39:35,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:39:35,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:39:35,765 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 19:39:35,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:39:35,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:39:35,808 INFO L129 PetriNetUnfolder]: 42/96 cut-off events. [2021-10-15 19:39:35,809 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:39:35,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 96 events. 42/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:39:35,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 96 transitions, 192 flow [2021-10-15 19:39:35,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 92 transitions, 184 flow [2021-10-15 19:39:35,824 INFO L129 PetriNetUnfolder]: 15/38 cut-off events. [2021-10-15 19:39:35,824 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:39:35,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:39:35,825 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:39:35,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:39:35,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:39:35,831 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-10-15 19:39:35,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:39:35,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131093468] [2021-10-15 19:39:35,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:39:35,844 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:39:35,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:39:35,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:39:35,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:39:35,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:39:36,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:39:36,138 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 19:39:36,142 INFO L168 Benchmark]: Toolchain (without parser) took 6367.70 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 41.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,143 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:39:36,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.03 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.6 MB in the end (delta: 730.7 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.30 ms. Allocated memory is still 52.4 MB. Free memory was 27.6 MB in the beginning and 25.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,145 INFO L168 Benchmark]: Boogie Preprocessor took 78.21 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 25.3 MB in the beginning and 55.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,146 INFO L168 Benchmark]: RCFGBuilder took 5401.73 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 53.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,147 INFO L168 Benchmark]: TraceAbstraction took 442.81 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 41.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:39:36,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.03 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.6 MB in the end (delta: 730.7 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.30 ms. Allocated memory is still 52.4 MB. Free memory was 27.6 MB in the beginning and 25.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.21 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 25.3 MB in the beginning and 55.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5401.73 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 53.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 442.81 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 41.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 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 19:39:36,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5bec660-b198-49a4-8cce-f8db6c03d085/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...