./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 ........................................................................................................................................................................................................................................ 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:32,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:32,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:32,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:32,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:32,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:32,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:32,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:32,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:32,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:32,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:32,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:32,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:32,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:32,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:32,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:32,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:32,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:32,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:32,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:32,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:32,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:32,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:32,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:32,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:32,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:32,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:32,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:32,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:32,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:32,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:32,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:32,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:32,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:32,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:32,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:32,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:32,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:32,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:32,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:32,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:32,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:51:32,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:32,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:32,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:32,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:32,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:32,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:32,634 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:32,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:32,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:32,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:32,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:32,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:32,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:32,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:32,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:32,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:32,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:32,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:32,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:32,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:32,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:32,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:32,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:32,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:32,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:32,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:32,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:32,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:51:32,644 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:32,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:32,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:32,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:32,647 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-28 23:51:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:33,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:33,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:33,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:33,114 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:33,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 23:51:33,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/afb39ada4/4281659218ab40928948f15de5626164/FLAG9fa071f4d [2021-10-28 23:51:33,754 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:33,755 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 23:51:33,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/afb39ada4/4281659218ab40928948f15de5626164/FLAG9fa071f4d [2021-10-28 23:51:34,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/afb39ada4/4281659218ab40928948f15de5626164 [2021-10-28 23:51:34,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:34,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:34,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:34,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:34,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:34,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0cd4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34, skipping insertion in model container [2021-10-28 23:51:34,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:34,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:34,415 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 23:51:34,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:34,431 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:34,450 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 23:51:34,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:34,469 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:34,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34 WrapperNode [2021-10-28 23:51:34,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:34,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:34,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:34,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:34,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:34,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:34,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:34,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:34,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:34,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:34,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:34,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:34,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:34,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:34,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:51:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:34,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:34,912 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:51:34,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34 BoogieIcfgContainer [2021-10-28 23:51:34,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:34,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:34,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:34,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:34,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:34" (1/3) ... [2021-10-28 23:51:34,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6714bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:34, skipping insertion in model container [2021-10-28 23:51:34,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (2/3) ... [2021-10-28 23:51:34,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6714bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:34, skipping insertion in model container [2021-10-28 23:51:34,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34" (3/3) ... [2021-10-28 23:51:34,930 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-28 23:51:34,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:34,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:51:35,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:35,039 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, mAutomataTypeConcurrency=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 [2021-10-28 23:51:35,040 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:51:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 23:51:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:51:35,064 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:35,065 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:51:35,066 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:51:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:35,074 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 23:51:35,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:35,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089805162] [2021-10-28 23:51:35,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:35,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:35,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:35,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:35,349 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:51:35,351 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:35,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:51:35,360 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:51:35,364 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:35,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:35 BoogieIcfgContainer [2021-10-28 23:51:35,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:35,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:35,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:35,409 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:35,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34" (3/4) ... [2021-10-28 23:51:35,414 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:51:35,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:35,423 INFO L168 Benchmark]: Toolchain (without parser) took 1283.77 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 86.2 MB in the end (delta: -34.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:35,424 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 92.3 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:35,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.95 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 68.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:35,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 92.3 MB. Free memory was 68.7 MB in the beginning and 67.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:35,429 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 66.5 MB in the end (delta: 869.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:35,431 INFO L168 Benchmark]: RCFGBuilder took 374.30 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 57.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:35,434 INFO L168 Benchmark]: TraceAbstraction took 481.08 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 86.7 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:35,443 INFO L168 Benchmark]: Witness Printer took 5.95 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 86.2 MB in the end (delta: 467.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:35,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 92.3 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.95 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 68.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 92.3 MB. Free memory was 68.7 MB in the beginning and 67.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.54 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 66.5 MB in the end (delta: 869.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 374.30 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 57.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 481.08 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 86.7 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.95 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 86.2 MB in the end (delta: 467.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-10-28 23:51:35,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:38,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:38,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:38,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:38,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:38,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:38,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:38,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:38,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:38,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:38,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:38,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:38,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:38,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:38,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:38,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:38,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:38,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:38,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:38,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:38,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:38,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:38,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:38,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:38,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:38,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:38,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:38,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:38,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:38,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:38,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:38,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:38,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:38,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:38,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:38,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:38,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:38,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:38,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:38,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:38,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:38,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:51:38,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:38,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:38,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:38,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:38,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:38,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:38,945 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:38,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:38,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:38,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:38,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:38,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:38,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:38,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:38,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:51:38,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:51:38,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:38,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:38,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:38,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:38,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:38,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:38,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:38,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:38,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:38,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:38,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:38,953 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:51:38,953 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:51:38,953 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:38,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:38,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:38,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:38,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:51:38,954 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-28 23:51:39,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:39,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:39,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:39,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:39,485 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:39,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 23:51:39,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/525f82eb4/f223ae8aa2bc4ab9877c933dc8cce20e/FLAGeb4dbb651 [2021-10-28 23:51:40,334 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:40,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-28 23:51:40,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/525f82eb4/f223ae8aa2bc4ab9877c933dc8cce20e/FLAGeb4dbb651 [2021-10-28 23:51:40,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/data/525f82eb4/f223ae8aa2bc4ab9877c933dc8cce20e [2021-10-28 23:51:40,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:40,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:40,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:40,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:40,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:40,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:40,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401d060b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40, skipping insertion in model container [2021-10-28 23:51:40,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:40,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:40,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:40,883 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 23:51:40,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:40,916 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:40,942 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_9e26bb8c-174d-4bc9-a74a-08ccfd199312/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-28 23:51:40,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:40,972 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:40,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40 WrapperNode [2021-10-28 23:51:40,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:40,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:40,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:40,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:40,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:40,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:41,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:41,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:41,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:41,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:41,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:41,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:41,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:41,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (1/1) ... [2021-10-28 23:51:41,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:41,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:51:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:41,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:41,525 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:51:41,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:41 BoogieIcfgContainer [2021-10-28 23:51:41,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:41,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:41,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:41,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:41,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:40" (1/3) ... [2021-10-28 23:51:41,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2913f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:41, skipping insertion in model container [2021-10-28 23:51:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:40" (2/3) ... [2021-10-28 23:51:41,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2913f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:41, skipping insertion in model container [2021-10-28 23:51:41,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:41" (3/3) ... [2021-10-28 23:51:41,543 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-28 23:51:41,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:41,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:51:41,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:41,638 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, mAutomataTypeConcurrency=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 [2021-10-28 23:51:41,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:51:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 23:51:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:51:41,692 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:41,693 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:51:41,694 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:51:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:41,705 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 23:51:41,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:41,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616876413] [2021-10-28 23:51:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:41,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:41,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:41,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:51:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:41,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:41,919 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 23:51:41,937 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:51:41,938 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:41,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:42,160 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:51:42,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:42,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:42 BoogieIcfgContainer [2021-10-28 23:51:42,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:42,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:42,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:42,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:42,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:41" (3/4) ... [2021-10-28 23:51:42,201 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:51:42,264 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:51:42,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:42,275 INFO L168 Benchmark]: Toolchain (without parser) took 1583.89 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.6 MB in the beginning and 48.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,276 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.38 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 40.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.92 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,279 INFO L168 Benchmark]: Boogie Preprocessor took 40.76 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.1 MB in the end (delta: 955.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,283 INFO L168 Benchmark]: RCFGBuilder took 441.81 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,284 INFO L168 Benchmark]: TraceAbstraction took 660.60 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 28.8 MB in the beginning and 49.9 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,285 INFO L168 Benchmark]: Witness Printer took 69.30 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 48.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.38 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 40.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.92 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.76 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.1 MB in the end (delta: 955.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 441.81 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 660.60 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 28.8 MB in the beginning and 49.9 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 69.30 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 48.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2021-10-28 23:51:42,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e26bb8c-174d-4bc9-a74a-08ccfd199312/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...