./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD --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 32bit --witnessprinter.graph.data.programhash fc6835914cd28047c1f940b6da2cec294f327c3ffe60cc9c2bc07c0d985b9475 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:08:34,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:08:34,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:08:34,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:08:34,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:08:34,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:08:34,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:08:34,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:08:34,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:08:34,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:08:34,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:08:34,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:08:34,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:08:34,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:08:34,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:08:34,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:08:34,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:08:34,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:08:34,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:08:34,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:08:34,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:08:34,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:08:34,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:08:34,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:08:34,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:08:34,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:08:34,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:08:34,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:08:34,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:08:34,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:08:34,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:08:34,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:08:34,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:08:34,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:08:34,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:08:34,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:08:34,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:08:34,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:08:34,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:08:34,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:08:34,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:08:34,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-28 23:08:34,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:08:34,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:08:34,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:08:34,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:08:34,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:08:34,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:08:34,389 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:08:34,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:08:34,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:08:34,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:08:34,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:08:34,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:08:34,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:08:34,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:08:34,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:08:34,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:08:34,392 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-28 23:08:34,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:08:34,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:08:34,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:08:34,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:08:34,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:08:34,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:08:34,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:08:34,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:34,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:08:34,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:08:34,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:08:34,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:08:34,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:08:34,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:08:34,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:08:34,398 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_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc6835914cd28047c1f940b6da2cec294f327c3ffe60cc9c2bc07c0d985b9475 [2021-10-28 23:08:34,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:08:34,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:08:34,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:08:34,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:08:34,816 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:08:34,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector/parity.i [2021-10-28 23:08:34,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/data/5ee946ad2/07226fa43aa240a2b134468277be6eb3/FLAG20e310183 [2021-10-28 23:08:35,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:08:35,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/sv-benchmarks/c/bitvector/parity.i [2021-10-28 23:08:35,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/data/5ee946ad2/07226fa43aa240a2b134468277be6eb3/FLAG20e310183 [2021-10-28 23:08:35,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/data/5ee946ad2/07226fa43aa240a2b134468277be6eb3 [2021-10-28 23:08:35,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:08:35,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:08:35,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:35,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:08:35,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:08:35,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:35" (1/1) ... [2021-10-28 23:08:35,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea00c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:35, skipping insertion in model container [2021-10-28 23:08:35,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:35" (1/1) ... [2021-10-28 23:08:35,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:08:35,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:08:35,997 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_7290d5fe-01c2-4302-8b82-3203f5714dd1/sv-benchmarks/c/bitvector/parity.i[857,870] [2021-10-28 23:08:36,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:36,045 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:08:36,100 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_7290d5fe-01c2-4302-8b82-3203f5714dd1/sv-benchmarks/c/bitvector/parity.i[857,870] [2021-10-28 23:08:36,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:36,148 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:08:36,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36 WrapperNode [2021-10-28 23:08:36,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:36,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:36,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:08:36,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:08:36,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:36,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:08:36,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:08:36,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:08:36,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:08:36,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:08:36,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:08:36,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:08:36,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (1/1) ... [2021-10-28 23:08:36,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:36,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:36,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:08:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:08:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:08:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:08:36,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:08:36,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:08:36,614 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:08:36,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:36 BoogieIcfgContainer [2021-10-28 23:08:36,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:08:36,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:08:36,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:08:36,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:08:36,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:08:35" (1/3) ... [2021-10-28 23:08:36,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b684db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:08:36, skipping insertion in model container [2021-10-28 23:08:36,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:36" (2/3) ... [2021-10-28 23:08:36,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b684db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:08:36, skipping insertion in model container [2021-10-28 23:08:36,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:36" (3/3) ... [2021-10-28 23:08:36,628 INFO L111 eAbstractionObserver]: Analyzing ICFG parity.i [2021-10-28 23:08:36,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:08:36,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-28 23:08:36,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b684db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:08:36, skipping insertion in model container [2021-10-28 23:08:36,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:08:36,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:08:36,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:08:36,644 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:08:36,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:36" (3/3) ... [2021-10-28 23:08:36,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:08:36,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:08:36,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:08:36,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:08:36,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:08:36,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:08:36,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:08:36,719 INFO L168 Benchmark]: Toolchain (without parser) took 966.11 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 44.1 MB in the beginning and 66.2 MB in the end (delta: -22.1 MB). Peak memory consumption was 198.3 kB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,719 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:36,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.54 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 81.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.16 ms. Allocated memory is still 102.8 MB. Free memory was 81.6 MB in the beginning and 80.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:36,721 INFO L168 Benchmark]: Boogie Preprocessor took 53.06 ms. Allocated memory is still 102.8 MB. Free memory was 80.4 MB in the beginning and 79.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,722 INFO L168 Benchmark]: RCFGBuilder took 362.71 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 70.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,723 INFO L168 Benchmark]: TraceAbstraction took 22.71 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 68.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,723 INFO L168 Benchmark]: Witness Printer took 73.70 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 66.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:36,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 394.54 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 81.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.16 ms. Allocated memory is still 102.8 MB. Free memory was 81.6 MB in the beginning and 80.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.06 ms. Allocated memory is still 102.8 MB. Free memory was 80.4 MB in the beginning and 79.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 362.71 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 70.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22.71 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 68.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 73.70 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 66.2 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! [2021-10-28 23:08:36,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7290d5fe-01c2-4302-8b82-3203f5714dd1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...