./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt --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 500277d0bd01d0558951e34082bcf1d8ced66617 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:10:14,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:10:14,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:10:14,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:10:14,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:10:14,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:10:14,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:10:14,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:10:14,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:10:14,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:10:14,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:10:14,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:10:14,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:10:14,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:10:14,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:10:14,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:10:14,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:10:14,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:10:14,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:10:14,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:10:14,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:10:14,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:10:14,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:10:14,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:10:14,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:10:14,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:10:14,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:10:14,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:10:14,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:10:14,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:10:14,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:10:14,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:10:14,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:10:14,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:10:14,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:10:14,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:10:14,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:10:14,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:10:14,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:10:14,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:10:14,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:10:14,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:10:14,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:10:14,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:10:14,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:10:14,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:10:14,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:10:14,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:10:14,590 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:10:14,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:10:14,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:10:14,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:10:14,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:10:14,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:10:14,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:10:14,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:10:14,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:10:14,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:10:14,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:10:14,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:10:14,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:10:14,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:10:14,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:10:14,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:10:14,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:10:14,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:10:14,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:10:14,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:10:14,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:10:14,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:10:14,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:10:14,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:10:14,598 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_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 500277d0bd01d0558951e34082bcf1d8ced66617 [2021-10-13 01:10:14,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:10:14,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:10:14,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:10:14,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:10:14,987 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:10:14,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2021-10-13 01:10:15,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/data/67747bb59/cc33b9df8cd54ba195a25515c798df32/FLAGb80943ac0 [2021-10-13 01:10:15,870 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:10:15,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2021-10-13 01:10:15,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/data/67747bb59/cc33b9df8cd54ba195a25515c798df32/FLAGb80943ac0 [2021-10-13 01:10:15,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/data/67747bb59/cc33b9df8cd54ba195a25515c798df32 [2021-10-13 01:10:15,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:10:15,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:10:15,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:10:15,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:10:15,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:10:15,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:15" (1/1) ... [2021-10-13 01:10:15,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21057adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:15, skipping insertion in model container [2021-10-13 01:10:15,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:15" (1/1) ... [2021-10-13 01:10:15,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:10:16,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:10:16,372 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_864aa3d3-ec59-48c7-859c-23a83d540cba/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i[455,468] [2021-10-13 01:10:17,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:10:17,656 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:10:17,672 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_864aa3d3-ec59-48c7-859c-23a83d540cba/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i[455,468] [2021-10-13 01:10:17,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:10:18,124 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:10:18,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18 WrapperNode [2021-10-13 01:10:18,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:10:18,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:10:18,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:10:18,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:10:18,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:10:18,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:10:18,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:10:18,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:10:18,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:10:18,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:10:18,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:10:18,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:10:18,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (1/1) ... [2021-10-13 01:10:18,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:10:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:10:18,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:10:18,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:10:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:10:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 01:10:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:10:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:10:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:10:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:10:18,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:10:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:10:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:10:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:10:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:10:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:10:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:10:22,931 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:10:22,931 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-10-13 01:10:22,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:22 BoogieIcfgContainer [2021-10-13 01:10:22,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:10:22,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:10:22,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:10:22,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:10:22,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:10:15" (1/3) ... [2021-10-13 01:10:22,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f00c558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:10:22, skipping insertion in model container [2021-10-13 01:10:22,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:18" (2/3) ... [2021-10-13 01:10:22,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f00c558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:10:22, skipping insertion in model container [2021-10-13 01:10:22,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:22" (3/3) ... [2021-10-13 01:10:22,944 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl.i [2021-10-13 01:10:22,950 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:10:22,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 01:10:22,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f00c558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:10:22, skipping insertion in model container [2021-10-13 01:10:22,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:10:22,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:10:22,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:10:22,954 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:10:22,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:22" (3/3) ... [2021-10-13 01:10:22,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:10:23,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-10-13 01:10:23,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2021-10-13 01:10:23,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-13 01:10:23,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-13 01:10:23,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 01:10:23,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:10:23,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:10:23,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:10:23,295 INFO L168 Benchmark]: Toolchain (without parser) took 7331.63 ms. Allocated memory was 125.8 MB in the beginning and 241.2 MB in the end (delta: 115.3 MB). Free memory was 80.7 MB in the beginning and 176.0 MB in the end (delta: -95.4 MB). Peak memory consumption was 150.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,295 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 125.8 MB. Free memory is still 101.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:10:23,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2162.02 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 80.4 MB in the beginning and 80.2 MB in the end (delta: 234.8 kB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 257.50 ms. Allocated memory is still 157.3 MB. Free memory was 80.2 MB in the beginning and 109.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,297 INFO L168 Benchmark]: Boogie Preprocessor took 232.59 ms. Allocated memory is still 157.3 MB. Free memory was 109.8 MB in the beginning and 101.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,297 INFO L168 Benchmark]: RCFGBuilder took 4316.55 ms. Allocated memory was 157.3 MB in the beginning and 241.2 MB in the end (delta: 83.9 MB). Free memory was 100.1 MB in the beginning and 71.3 MB in the end (delta: 28.8 MB). Peak memory consumption was 142.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,297 INFO L168 Benchmark]: TraceAbstraction took 16.39 ms. Allocated memory is still 241.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:10:23,298 INFO L168 Benchmark]: Witness Printer took 339.03 ms. Allocated memory is still 241.2 MB. Free memory was 69.2 MB in the beginning and 176.0 MB in the end (delta: -106.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:23,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 125.8 MB. Free memory is still 101.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2162.02 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 80.4 MB in the beginning and 80.2 MB in the end (delta: 234.8 kB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 257.50 ms. Allocated memory is still 157.3 MB. Free memory was 80.2 MB in the beginning and 109.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 232.59 ms. Allocated memory is still 157.3 MB. Free memory was 109.8 MB in the beginning and 101.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4316.55 ms. Allocated memory was 157.3 MB in the beginning and 241.2 MB in the end (delta: 83.9 MB). Free memory was 100.1 MB in the beginning and 71.3 MB in the end (delta: 28.8 MB). Peak memory consumption was 142.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16.39 ms. Allocated memory is still 241.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 339.03 ms. Allocated memory is still 241.2 MB. Free memory was 69.2 MB in the beginning and 176.0 MB in the end (delta: -106.9 MB). Peak memory consumption was 24.2 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! [2021-10-13 01:10:23,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864aa3d3-ec59-48c7-859c-23a83d540cba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...