./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be --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_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be --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-e943c26 [2021-10-21 20:10:13,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:10:13,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:10:13,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:10:13,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:10:13,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:10:13,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:10:13,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:10:13,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:10:13,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:10:13,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:10:13,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:10:13,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:10:13,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:10:13,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:10:13,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:10:13,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:10:13,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:10:13,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:10:13,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:10:13,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:10:13,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:10:13,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:10:13,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:10:13,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:10:13,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:10:13,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:10:13,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:10:13,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:10:13,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:10:13,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:10:13,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:10:13,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:10:13,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:10:13,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:10:13,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:10:13,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:10:13,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:10:13,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:10:13,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:10:13,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:10:13,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:10:13,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:10:13,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:10:13,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:10:13,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:10:13,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:10:13,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:10:13,807 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:10:13,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:10:13,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:10:13,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:10:13,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:10:13,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:10:13,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:10:13,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:10:13,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:10:13,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:10:13,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:10:13,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:10:13,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:10:13,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:10:13,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:10:13,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:10:13,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:13,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:10:13,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:10:13,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:10:13,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:10:13,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:10:13,813 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:10:13,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:10:13,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:10:13,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:10:13,816 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_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-21 20:10:14,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:10:14,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:10:14,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:10:14,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:10:14,137 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:10:14,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-21 20:10:14,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/9552f5620/f9905d0dc73f4e59b4537b2b82cdf6fb/FLAGa1811fe04 [2021-10-21 20:10:14,635 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:10:14,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-21 20:10:14,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/9552f5620/f9905d0dc73f4e59b4537b2b82cdf6fb/FLAGa1811fe04 [2021-10-21 20:10:15,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/9552f5620/f9905d0dc73f4e59b4537b2b82cdf6fb [2021-10-21 20:10:15,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:10:15,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:10:15,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:15,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:10:15,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:10:15,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ac3a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15, skipping insertion in model container [2021-10-21 20:10:15,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:10:15,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:10:15,219 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_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-21 20:10:15,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:15,254 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:10:15,268 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_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-21 20:10:15,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:15,282 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:10:15,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15 WrapperNode [2021-10-21 20:10:15,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:15,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:15,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:10:15,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:10:15,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:15,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:10:15,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:10:15,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:10:15,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:10:15,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:10:15,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:10:15,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:10:15,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (1/1) ... [2021-10-21 20:10:15,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:15,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:15,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:10:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:10:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:10:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:10:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:10:15,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:10:15,557 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 20:10:15,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:15 BoogieIcfgContainer [2021-10-21 20:10:15,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:10:15,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:10:15,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:10:15,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:10:15,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:10:15" (1/3) ... [2021-10-21 20:10:15,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:15, skipping insertion in model container [2021-10-21 20:10:15,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:15" (2/3) ... [2021-10-21 20:10:15,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:15, skipping insertion in model container [2021-10-21 20:10:15,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:15" (3/3) ... [2021-10-21 20:10:15,571 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-21 20:10:15,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:10:15,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:10:15,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:10:15,622 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 [2021-10-21 20:10:15,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:10:15,637 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) [2021-10-21 20:10:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 20:10:15,642 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:15,643 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 20:10:15,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:15,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:15,649 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-21 20:10:15,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:15,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694261269] [2021-10-21 20:10:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:15,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:15,769 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:10:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:15,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:10:15,816 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:10:15,819 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:15,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:10:15,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:10:15,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:10:15 BoogieIcfgContainer [2021-10-21 20:10:15,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:10:15,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:10:15,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:10:15,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:10:15,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:15" (3/4) ... [2021-10-21 20:10:15,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:10:15,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:10:15,863 INFO L168 Benchmark]: Toolchain (without parser) took 826.67 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 61.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:15,864 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory was 83.9 MB in the beginning and 83.9 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:15,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.16 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 85.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:15,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 84.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:15,868 INFO L168 Benchmark]: Boogie Preprocessor took 17.73 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 83.9 MB in the end (delta: 559.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:15,869 INFO L168 Benchmark]: RCFGBuilder took 227.11 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 75.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:15,874 INFO L168 Benchmark]: TraceAbstraction took 290.11 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 62.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:15,876 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 111.1 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:15,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory was 83.9 MB in the beginning and 83.9 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.16 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 85.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 84.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.73 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 83.9 MB in the end (delta: 559.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 227.11 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 75.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 290.11 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 62.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.57 ms. Allocated memory is still 111.1 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 216.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.9ms SsaConstructionTime, 39.1ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-21 20:10:15,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/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-e943c26 [2021-10-21 20:10:18,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:10:18,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:10:18,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:10:18,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:10:18,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:10:18,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:10:18,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:10:18,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:10:18,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:10:18,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:10:18,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:10:18,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:10:18,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:10:18,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:10:18,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:10:18,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:10:18,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:10:18,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:10:18,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:10:18,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:10:18,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:10:18,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:10:18,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:10:18,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:10:18,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:10:18,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:10:18,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:10:18,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:10:18,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:10:18,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:10:18,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:10:18,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:10:18,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:10:18,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:10:18,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:10:18,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:10:18,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:10:18,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:10:18,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:10:18,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:10:18,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:10:18,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:10:18,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:10:18,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:10:18,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:10:18,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:10:18,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:10:18,646 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:10:18,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:10:18,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:10:18,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:10:18,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:10:18,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:10:18,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:10:18,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:10:18,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:10:18,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:10:18,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:10:18,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:10:18,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:10:18,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:10:18,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:10:18,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:10:18,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:10:18,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:18,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:10:18,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:10:18,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:10:18,653 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:10:18,653 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:10:18,654 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:10:18,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:10:18,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:10:18,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:10:18,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:10:18,655 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_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-10-21 20:10:19,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:10:19,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:10:19,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:10:19,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:10:19,053 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:10:19,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-21 20:10:19,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/4db8c7e70/c411e34bad4b41a89d69e357b558a15d/FLAGb844b65ef [2021-10-21 20:10:19,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:10:19,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-21 20:10:19,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/4db8c7e70/c411e34bad4b41a89d69e357b558a15d/FLAGb844b65ef [2021-10-21 20:10:20,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/data/4db8c7e70/c411e34bad4b41a89d69e357b558a15d [2021-10-21 20:10:20,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:10:20,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:10:20,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:20,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:10:20,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:10:20,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2ef8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20, skipping insertion in model container [2021-10-21 20:10:20,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:10:20,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:10:20,299 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_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-21 20:10:20,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:20,325 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:10:20,338 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_ca242669-607b-4e45-875f-accf445e483c/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-21 20:10:20,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:20,353 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:10:20,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20 WrapperNode [2021-10-21 20:10:20,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:20,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:20,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:10:20,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:10:20,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:20,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:10:20,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:10:20,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:10:20,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:10:20,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:10:20,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:10:20,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:10:20,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (1/1) ... [2021-10-21 20:10:20,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:20,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:20,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:20,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:10:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:10:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:10:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:10:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:10:20,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:10:20,812 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 20:10:20,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:20 BoogieIcfgContainer [2021-10-21 20:10:20,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:10:20,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:10:20,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:10:20,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:10:20,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:10:20" (1/3) ... [2021-10-21 20:10:20,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a6a405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:20, skipping insertion in model container [2021-10-21 20:10:20,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:20" (2/3) ... [2021-10-21 20:10:20,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a6a405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:20, skipping insertion in model container [2021-10-21 20:10:20,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:20" (3/3) ... [2021-10-21 20:10:20,824 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-21 20:10:20,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:10:20,830 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:10:20,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:10:20,910 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 [2021-10-21 20:10:20,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:10:20,927 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) [2021-10-21 20:10:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 20:10:20,932 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:20,933 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 20:10:20,934 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:20,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:20,941 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-21 20:10:20,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:10:20,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772869807] [2021-10-21 20:10:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:20,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:10:20,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:10:20,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:10:20,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:10:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:21,060 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:10:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:21,099 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:10:21,101 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:10:21,103 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:21,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:21,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:10:21,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:10:21,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:10:21 BoogieIcfgContainer [2021-10-21 20:10:21,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:10:21,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:10:21,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:10:21,347 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:10:21,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:20" (3/4) ... [2021-10-21 20:10:21,350 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:10:21,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:10:21,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:10:21,411 INFO L168 Benchmark]: Toolchain (without parser) took 1298.36 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 37.4 MB in the beginning and 64.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,412 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 39.6 MB in the end (delta: 44.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:21,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.59 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 27.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.05 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 43.8 MB in the beginning and 66.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,414 INFO L168 Benchmark]: Boogie Preprocessor took 39.69 ms. Allocated memory is still 81.8 MB. Free memory was 66.6 MB in the beginning and 65.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,417 INFO L168 Benchmark]: RCFGBuilder took 338.50 ms. Allocated memory is still 81.8 MB. Free memory was 65.6 MB in the beginning and 56.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,419 INFO L168 Benchmark]: TraceAbstraction took 526.30 ms. Allocated memory is still 81.8 MB. Free memory was 56.1 MB in the beginning and 45.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,422 INFO L168 Benchmark]: Witness Printer took 58.40 ms. Allocated memory is still 81.8 MB. Free memory was 44.9 MB in the beginning and 64.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:21,426 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 39.7 MB in the beginning and 39.6 MB in the end (delta: 44.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 242.59 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 27.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.05 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 43.8 MB in the beginning and 66.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.69 ms. Allocated memory is still 81.8 MB. Free memory was 66.6 MB in the beginning and 65.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 338.50 ms. Allocated memory is still 81.8 MB. Free memory was 65.6 MB in the beginning and 56.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 526.30 ms. Allocated memory is still 81.8 MB. Free memory was 56.1 MB in the beginning and 45.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 58.40 ms. Allocated memory is still 81.8 MB. Free memory was 44.9 MB in the beginning and 64.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 426.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.4ms SsaConstructionTime, 30.4ms SatisfiabilityAnalysisTime, 0.0ms 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! [2021-10-21 20:10:21,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca242669-607b-4e45-875f-accf445e483c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...