./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a489919c33568e9fb270076fed14bc2a86abb299 ................................................................................................................................................................................................................................................................................................................................................................. 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a489919c33568e9fb270076fed14bc2a86abb299 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:06,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:06,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:06,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:06,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:06,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:06,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:06,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:06,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:06,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:06,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:06,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:06,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:06,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:06,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:06,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:06,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:06,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:06,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:06,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:06,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:06,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:06,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:06,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:06,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:06,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:06,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:06,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:06,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:06,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:06,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:06,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:06,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:06,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:06,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:06,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:06,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:06,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:06,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:06,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:06,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:06,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-12 23:59:06,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:06,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:06,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:06,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:06,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:06,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:06,663 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:06,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:06,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:06,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:06,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:06,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:06,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:06,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:06,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:06,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:06,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:06,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:06,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:06,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:06,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:06,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:06,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:06,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:06,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:06,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:06,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:06,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-12 23:59:06,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:06,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:06,670 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a489919c33568e9fb270076fed14bc2a86abb299 [2021-10-12 23:59:06,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:07,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:07,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:07,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:07,007 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:07,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:07,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/f72df8b9a/1075d0ae3870413384b09af56d12e8cc/FLAGf45279ac7 [2021-10-12 23:59:07,642 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:07,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:07,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/f72df8b9a/1075d0ae3870413384b09af56d12e8cc/FLAGf45279ac7 [2021-10-12 23:59:07,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/f72df8b9a/1075d0ae3870413384b09af56d12e8cc [2021-10-12 23:59:08,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:08,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:08,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:08,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:08,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:08,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5071c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08, skipping insertion in model container [2021-10-12 23:59:08,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:08,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:08,258 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2021-10-12 23:59:08,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:08,273 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:08,297 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2021-10-12 23:59:08,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:08,314 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:08,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08 WrapperNode [2021-10-12 23:59:08,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:08,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:08,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:08,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:08,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:08,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:08,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:08,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:08,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:08,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:08,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:08,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:08,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-12 23:59:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-12 23:59:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:08,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:08,841 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-12 23:59:08,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:08 BoogieIcfgContainer [2021-10-12 23:59:08,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:08,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:08,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:08,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:08,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:08" (1/3) ... [2021-10-12 23:59:08,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:08, skipping insertion in model container [2021-10-12 23:59:08,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08" (2/3) ... [2021-10-12 23:59:08,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:08, skipping insertion in model container [2021-10-12 23:59:08,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:08" (3/3) ... [2021-10-12 23:59:08,865 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:08,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:08,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-12 23:59:08,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:08,975 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-12 23:59:08,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-12 23:59:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-10-12 23:59:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-12 23:59:08,998 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:08,998 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:08,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:09,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,005 INFO L82 PathProgramCache]: Analyzing trace with hash 83921358, now seen corresponding path program 1 times [2021-10-12 23:59:09,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246271203] [2021-10-12 23:59:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:09,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:09,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:09,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246271203] [2021-10-12 23:59:09,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246271203] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:09,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:09,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:09,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052048732] [2021-10-12 23:59:09,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:09,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:09,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:09,348 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-12 23:59:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:09,466 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2021-10-12 23:59:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-12 23:59:09,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-12 23:59:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:09,476 INFO L225 Difference]: With dead ends: 51 [2021-10-12 23:59:09,476 INFO L226 Difference]: Without dead ends: 27 [2021-10-12 23:59:09,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 68.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-12 23:59:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2021-10-12 23:59:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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) [2021-10-12 23:59:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-10-12 23:59:09,513 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 12 [2021-10-12 23:59:09,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:09,514 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-12 23:59:09,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-12 23:59:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-12 23:59:09,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-12 23:59:09,515 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:09,516 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:09,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-12 23:59:09,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,517 INFO L82 PathProgramCache]: Analyzing trace with hash 100932019, now seen corresponding path program 1 times [2021-10-12 23:59:09,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204813854] [2021-10-12 23:59:09,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:09,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:09,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204813854] [2021-10-12 23:59:09,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204813854] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:09,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:09,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:09,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073957749] [2021-10-12 23:59:09,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:09,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:09,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:09,606 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-12 23:59:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:09,627 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2021-10-12 23:59:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-12 23:59:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:09,629 INFO L225 Difference]: With dead ends: 34 [2021-10-12 23:59:09,629 INFO L226 Difference]: Without dead ends: 26 [2021-10-12 23:59:09,630 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-12 23:59:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2021-10-12 23:59:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2021-10-12 23:59:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-12 23:59:09,635 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 12 [2021-10-12 23:59:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:09,636 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-12 23:59:09,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-12 23:59:09,636 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-12 23:59:09,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-12 23:59:09,637 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:09,637 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:09,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-12 23:59:09,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:09,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,639 INFO L82 PathProgramCache]: Analyzing trace with hash 10142420, now seen corresponding path program 1 times [2021-10-12 23:59:09,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503306436] [2021-10-12 23:59:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,661 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:09,716 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-12 23:59:09,718 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:09,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-12 23:59:09,726 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-12 23:59:09,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:59:09 BoogieIcfgContainer [2021-10-12 23:59:09,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-12 23:59:09,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:09,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:09,767 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:09,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:08" (3/4) ... [2021-10-12 23:59:09,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-12 23:59:09,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:09,773 INFO L168 Benchmark]: Toolchain (without parser) took 1763.43 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 65.0 MB in the beginning and 103.4 MB in the end (delta: -38.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:09,773 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:09,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.24 ms. Allocated memory is still 107.0 MB. Free memory was 64.8 MB in the beginning and 80.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:09,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.59 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:09,775 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 77.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:09,776 INFO L168 Benchmark]: RCFGBuilder took 423.29 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 66.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:09,777 INFO L168 Benchmark]: TraceAbstraction took 920.94 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 66.0 MB in the beginning and 104.3 MB in the end (delta: -38.2 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:09,777 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 103.4 MB in the end (delta: 882.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:09,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.24 ms. Allocated memory is still 107.0 MB. Free memory was 64.8 MB in the beginning and 80.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.59 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 77.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 423.29 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 66.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 920.94 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 66.0 MB in the beginning and 104.3 MB in the end (delta: -38.2 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 103.4 MB in the end (delta: 882.0 kB). 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: 51]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of to_real at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L1] int __return_main; VAL [__return_main=0] [L14] int main__i; [L15] float main__z; [L16] float main__t; [L17] float main__min[5] = { 5, 10, 12, 30, 150 }; [L18] float main__max[5] = { 10, 12, 30, 150, 300 }; [L19] main__t = __VERIFIER_nondet_float() [L20] int main____CPAchecker_TMP_0; [L21] EXPR main__min[0] VAL [__return_main=0] [L21] COND TRUE main__t >= (main__min[0]) [L23] EXPR main__max[4UL] VAL [__return_main=0] [L23] COND TRUE main__t <= (main__max[4UL]) [L25] main____CPAchecker_TMP_0 = 1 VAL [__return_main=0] [L27] COND TRUE main____CPAchecker_TMP_0 != 0 [L29] main__i = 0 VAL [__return_main=0] [L31] COND TRUE main__i < 5UL [L33] EXPR main__max[main__i] VAL [__return_main=0] [L33] COND TRUE main__t <= (main__max[main__i]) [L36] EXPR main__min[main__i] [L36] EXPR main__max[main__i] [L36] EXPR main__min[main__i] [L36] main__z = (main__t - (main__min[main__i])) / ((main__max[main__i]) - (main__min[main__i])) [L37] int main____CPAchecker_TMP_1; VAL [__return_main=0] [L38] COND FALSE !(main__z >= 0.0) VAL [__return_main=0] [L63] main____CPAchecker_TMP_1 = 0 VAL [__return_main=0] [L45] int __tmp_1; [L46] __tmp_1 = main____CPAchecker_TMP_1 [L47] int __VERIFIER_assert__cond; [L48] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L49] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L51] reach_error() VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 762.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 12.2ms, AutomataDifference: 181.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 49 SDslu, 76 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 70.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.9ms SsaConstructionTime, 100.3ms SatisfiabilityAnalysisTime, 190.0ms InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 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 [2021-10-12 23:59:09,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:12,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:12,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:12,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:12,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:12,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:12,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:12,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:12,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:12,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:12,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:12,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:12,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:12,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:12,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:12,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:12,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:12,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:12,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:12,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:12,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:12,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:12,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:12,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:12,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:12,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:12,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:12,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:12,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:12,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:12,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:12,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:12,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:12,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:12,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:12,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:12,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:12,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:12,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:12,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:12,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:12,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-12 23:59:12,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:12,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:12,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:12,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:12,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:12,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:12,656 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:12,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:12,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:12,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:12,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:12,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:12,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:12,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:12,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-12 23:59:12,658 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-12 23:59:12,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:12,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:12,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:12,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:12,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:12,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:12,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:12,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:12,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:12,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:12,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-12 23:59:12,662 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a489919c33568e9fb270076fed14bc2a86abb299 [2021-10-12 23:59:13,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:13,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:13,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:13,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:13,112 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:13,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:13,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/4eaaea5a7/60df588dbb6d4e14b4d13b1464740365/FLAG0dc17964e [2021-10-12 23:59:13,737 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:13,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:13,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/4eaaea5a7/60df588dbb6d4e14b4d13b1464740365/FLAG0dc17964e [2021-10-12 23:59:14,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/data/4eaaea5a7/60df588dbb6d4e14b4d13b1464740365 [2021-10-12 23:59:14,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:14,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:14,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:14,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:14,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:14,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae83a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14, skipping insertion in model container [2021-10-12 23:59:14,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:14,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:14,313 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_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2021-10-12 23:59:14,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:14,338 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:14,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2021-10-12 23:59:14,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:14,427 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:14,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14 WrapperNode [2021-10-12 23:59:14,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:14,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:14,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:14,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:14,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:14,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:14,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:14,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:14,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:14,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:14,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:14,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:14,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (1/1) ... [2021-10-12 23:59:14,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:14,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-12 23:59:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-12 23:59:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-12 23:59:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:15,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:15,859 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-12 23:59:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:15 BoogieIcfgContainer [2021-10-12 23:59:15,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:15,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:15,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:15,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:15,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:14" (1/3) ... [2021-10-12 23:59:15,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a0da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:15, skipping insertion in model container [2021-10-12 23:59:15,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:14" (2/3) ... [2021-10-12 23:59:15,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a0da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:15, skipping insertion in model container [2021-10-12 23:59:15,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:15" (3/3) ... [2021-10-12 23:59:15,870 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation.c.p+cfa-reducer.c [2021-10-12 23:59:15,875 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:15,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-12 23:59:15,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:15,932 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-12 23:59:15,932 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-12 23:59:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-10-12 23:59:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-12 23:59:15,952 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:15,952 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:15,953 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:15,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,959 INFO L82 PathProgramCache]: Analyzing trace with hash 83921358, now seen corresponding path program 1 times [2021-10-12 23:59:15,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:15,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119575057] [2021-10-12 23:59:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,973 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:15,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:15,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-12 23:59:16,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:16,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:16,259 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 [2021-10-12 23:59:16,264 INFO L168 Benchmark]: Toolchain (without parser) took 2156.19 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.3 MB in the beginning and 52.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:16,264 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:16,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 40.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:16,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.25 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 39.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:16,266 INFO L168 Benchmark]: Boogie Preprocessor took 56.64 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 37.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:16,267 INFO L168 Benchmark]: RCFGBuilder took 1308.85 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 61.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:16,268 INFO L168 Benchmark]: TraceAbstraction took 398.77 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 52.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:16,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 40.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.25 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 39.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.64 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 37.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1308.85 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 61.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 398.77 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 52.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-12 23:59:16,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dff547-6c41-41be-8f5c-20d8cdde5964/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...