./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:53:02,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:53:02,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:53:02,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:53:02,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:53:02,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:53:02,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:53:02,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:53:02,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:53:02,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:53:02,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:53:02,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:53:02,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:53:02,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:53:02,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:53:02,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:53:02,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:53:02,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:53:02,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:53:02,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:53:02,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:53:02,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:53:02,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:53:02,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:53:02,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:53:02,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:53:02,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:53:02,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:53:02,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:53:02,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:53:02,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:53:02,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:53:02,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:53:02,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:53:02,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:53:02,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:53:02,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:53:02,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:53:02,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:53:02,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:53:02,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:53:02,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-02 20:53:02,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:53:02,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:53:02,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:53:02,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:53:02,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:53:02,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:53:02,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:53:02,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:53:02,244 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:53:02,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:53:02,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:53:02,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:53:02,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:53:02,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:53:02,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:53:02,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:53:02,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:53:02,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:53:02,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:53:02,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:53:02,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:53:02,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:53:02,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:53:02,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:53:02,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:53:02,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:53:02,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:53:02,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:53:02,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:53:02,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:53:02,252 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_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2022-11-02 20:53:02,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:53:02,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:53:02,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:53:02,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:53:02,580 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:53:02,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-02 20:53:02,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/data/258cda7da/4ce0b3d6b89e4062a5b63cb7acc7f55d/FLAG18b80e64a [2022-11-02 20:53:03,298 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:53:03,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-02 20:53:03,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/data/258cda7da/4ce0b3d6b89e4062a5b63cb7acc7f55d/FLAG18b80e64a [2022-11-02 20:53:03,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/data/258cda7da/4ce0b3d6b89e4062a5b63cb7acc7f55d [2022-11-02 20:53:03,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:53:03,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:53:03,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:03,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:53:03,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:53:03,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:03,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6145309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03, skipping insertion in model container [2022-11-02 20:53:03,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:03,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:53:03,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:53:03,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:03,933 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:53:03,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:03,972 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:53:03,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03 WrapperNode [2022-11-02 20:53:03,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:03,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:03,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:53:03,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:53:03,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:03,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,011 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-02 20:53:04,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:04,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:53:04,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:53:04,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:53:04,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:53:04,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:53:04,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:53:04,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:53:04,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (1/1) ... [2022-11-02 20:53:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:53:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:04,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:04,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:53:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:53:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:53:04,250 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:53:04,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:53:04,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:53:04,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:53:04,390 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:53:04,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:04 BoogieIcfgContainer [2022-11-02 20:53:04,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:53:04,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:53:04,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:53:04,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:53:04,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:53:03" (1/3) ... [2022-11-02 20:53:04,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:04, skipping insertion in model container [2022-11-02 20:53:04,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:03" (2/3) ... [2022-11-02 20:53:04,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:04, skipping insertion in model container [2022-11-02 20:53:04,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:04" (3/3) ... [2022-11-02 20:53:04,409 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-02 20:53:04,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:53:04,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-02 20:53:04,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:53:04, skipping insertion in model container [2022-11-02 20:53:04,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:53:04,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:53:04,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:53:04,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:53:04,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:04" (3/3) ... [2022-11-02 20:53:04,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:53:04,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:53:04,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:53:04,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:53:04,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:53:04,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:53:04,522 INFO L158 Benchmark]: Toolchain (without parser) took 850.43ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 64.6MB in the end (delta: 7.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,529 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 56.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:04,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.44ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 80.1MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 102.8MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:04,532 INFO L158 Benchmark]: Boogie Preprocessor took 27.87ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 78.0MB in the end (delta: 776.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,533 INFO L158 Benchmark]: RCFGBuilder took 350.76ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 69.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,534 INFO L158 Benchmark]: TraceAbstraction took 35.83ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,535 INFO L158 Benchmark]: Witness Printer took 83.93ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:04,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 56.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.44ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 80.1MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 102.8MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.87ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 78.0MB in the end (delta: 776.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.76ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 69.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 35.83ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 83.93ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-02 20:53:04,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8c5cfa-91d8-4274-86ea-be775ecd74b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE