./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/parity.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1296f658f5f284102ff72d10b015c6c25ce34cb8 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:54:41,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:54:41,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:54:41,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:54:41,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:54:41,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:54:41,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:54:41,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:54:41,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:54:41,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:54:41,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:54:41,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:54:41,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:54:41,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:54:41,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:54:41,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:54:41,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:54:41,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:54:41,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:54:41,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:54:41,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:54:41,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:54:41,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:54:41,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:54:41,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:54:41,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:54:41,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:54:41,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:54:41,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:54:41,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:54:41,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:54:41,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:54:41,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:54:41,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:54:41,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:54:41,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:54:41,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:54:41,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:54:41,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:54:41,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:54:41,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:54:41,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-16 02:54:41,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:54:41,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:54:41,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:54:41,279 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:54:41,279 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:54:41,280 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:54:41,280 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:54:41,280 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:54:41,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:54:41,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:54:41,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:54:41,290 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:54:41,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:54:41,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:54:41,291 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:54:41,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:54:41,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:54:41,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:54:41,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:54:41,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:54:41,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:54:41,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:54:41,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:54:41,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:54:41,295 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-16 02:54:41,295 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:54:41,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:54:41,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:54:41,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:54:41,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:54:41,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:54:41,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:41,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:54:41,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:54:41,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:54:41,300 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:54:41,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:54:41,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:54:41,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:54:41,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:54:41,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1296f658f5f284102ff72d10b015c6c25ce34cb8 [2021-10-16 02:54:41,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:54:41,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:54:41,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:54:41,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:54:41,704 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:54:41,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/parity.i [2021-10-16 02:54:41,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/data/3f9cfaa13/dc17cad8d2734c0bacf5a4cbc8716b29/FLAG6e81f22ef [2021-10-16 02:54:42,401 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:54:42,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/sv-benchmarks/c/bitvector/parity.i [2021-10-16 02:54:42,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/data/3f9cfaa13/dc17cad8d2734c0bacf5a4cbc8716b29/FLAG6e81f22ef [2021-10-16 02:54:42,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/data/3f9cfaa13/dc17cad8d2734c0bacf5a4cbc8716b29 [2021-10-16 02:54:42,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:54:42,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:54:42,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:42,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:54:42,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:54:42,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:42" (1/1) ... [2021-10-16 02:54:42,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:42, skipping insertion in model container [2021-10-16 02:54:42,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:42" (1/1) ... [2021-10-16 02:54:42,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:54:42,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:54:43,043 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_0243501d-f977-4b0f-b9db-357bc42672b7/sv-benchmarks/c/bitvector/parity.i[857,870] [2021-10-16 02:54:43,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:43,071 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:54:43,098 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_0243501d-f977-4b0f-b9db-357bc42672b7/sv-benchmarks/c/bitvector/parity.i[857,870] [2021-10-16 02:54:43,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:43,133 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:54:43,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43 WrapperNode [2021-10-16 02:54:43,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:43,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:43,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:54:43,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:54:43,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:43,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:54:43,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:54:43,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:54:43,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:54:43,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:54:43,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:54:43,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:54:43,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (1/1) ... [2021-10-16 02:54:43,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:54:43,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:54:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:54:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:54:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:54:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:54:43,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:54:43,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:54:43,644 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:54:43,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:43 BoogieIcfgContainer [2021-10-16 02:54:43,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:54:43,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:54:43,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:54:43,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:54:43,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:54:42" (1/3) ... [2021-10-16 02:54:43,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62127942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:43, skipping insertion in model container [2021-10-16 02:54:43,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:43" (2/3) ... [2021-10-16 02:54:43,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62127942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:43, skipping insertion in model container [2021-10-16 02:54:43,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:43" (3/3) ... [2021-10-16 02:54:43,660 INFO L111 eAbstractionObserver]: Analyzing ICFG parity.i [2021-10-16 02:54:43,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:54:43,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-16 02:54:43,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62127942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:54:43, skipping insertion in model container [2021-10-16 02:54:43,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:54:43,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:54:43,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:54:43,671 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:54:43,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:43" (3/3) ... [2021-10-16 02:54:43,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:54:43,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-16 02:54:43,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-16 02:54:43,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:54:43,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:54:43,751 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:54:43,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:54:43,754 INFO L168 Benchmark]: Toolchain (without parser) took 994.69 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 55.7 MB in the beginning and 79.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:43,755 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:43,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.02 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 55.5 MB in the beginning and 97.7 MB in the end (delta: -42.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:43,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 96.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:43,760 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 121.6 MB. Free memory was 96.0 MB in the beginning and 95.2 MB in the end (delta: 769.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:43,761 INFO L168 Benchmark]: RCFGBuilder took 439.05 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 83.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:43,762 INFO L168 Benchmark]: TraceAbstraction took 19.36 ms. Allocated memory is still 121.6 MB. Free memory was 82.6 MB in the beginning and 81.7 MB in the end (delta: 885.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:43,763 INFO L168 Benchmark]: Witness Printer took 80.79 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 79.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:43,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.02 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 55.5 MB in the beginning and 97.7 MB in the end (delta: -42.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 96.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.63 ms. Allocated memory is still 121.6 MB. Free memory was 96.0 MB in the beginning and 95.2 MB in the end (delta: 769.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 439.05 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 83.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19.36 ms. Allocated memory is still 121.6 MB. Free memory was 82.6 MB in the beginning and 81.7 MB in the end (delta: 885.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 80.79 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 79.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-10-16 02:54:43,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243501d-f977-4b0f-b9db-357bc42672b7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...