./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.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_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/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_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/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_7a5721ac-b967-43a5-acea-54d3f0f7c482/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 5211e495247018138b8f223d6fcb849a545e3d13 .................................................................................................................................................................................................................... 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 01:22:52,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:22:52,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:22:52,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:22:52,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:22:52,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:22:52,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:22:52,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:22:52,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:22:52,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:22:52,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:22:52,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:22:52,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:22:52,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:22:52,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:22:52,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:22:52,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:22:52,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:22:52,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:22:52,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:22:52,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:22:52,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:22:52,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:22:52,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:22:52,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:22:52,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:22:52,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:22:52,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:22:52,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:22:52,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:22:52,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:22:52,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:22:52,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:22:52,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:22:52,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:22:52,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:22:52,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:22:52,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:22:52,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:22:52,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:22:52,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:22:52,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:22:52,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:22:52,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:22:52,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:22:52,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:22:52,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:22:52,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:22:52,997 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:22:52,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:22:52,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:22:52,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:22:52,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:22:52,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:22:52,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:22:52,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:22:52,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:22:53,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:22:53,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:22:53,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:22:53,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:22:53,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:22:53,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:22:53,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:22:53,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:22:53,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:22:53,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:22:53,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:22:53,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:22:53,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:22:53,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:22:53,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:22:53,005 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_7a5721ac-b967-43a5-acea-54d3f0f7c482/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5211e495247018138b8f223d6fcb849a545e3d13 [2021-10-13 01:22:53,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:22:53,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:22:53,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:22:53,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:22:53,371 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:22:53,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-10-13 01:22:53,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/data/771c5c799/f45aa5cbda5c4606a09a0796f3184194/FLAG723e532d1 [2021-10-13 01:22:54,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:22:54,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-10-13 01:22:54,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/data/771c5c799/f45aa5cbda5c4606a09a0796f3184194/FLAG723e532d1 [2021-10-13 01:22:54,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/data/771c5c799/f45aa5cbda5c4606a09a0796f3184194 [2021-10-13 01:22:54,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:22:54,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:22:54,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:22:54,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:22:54,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:22:54,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:22:54" (1/1) ... [2021-10-13 01:22:54,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b01258e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:54, skipping insertion in model container [2021-10-13 01:22:54,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:22:54" (1/1) ... [2021-10-13 01:22:54,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:22:54,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:22:54,671 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_7a5721ac-b967-43a5-acea-54d3f0f7c482/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-10-13 01:22:55,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:22:55,909 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:22:55,920 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_7a5721ac-b967-43a5-acea-54d3f0f7c482/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-10-13 01:22:56,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:22:56,358 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:22:56,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56 WrapperNode [2021-10-13 01:22:56,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:22:56,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:22:56,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:22:56,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:22:56,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:22:56,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:22:56,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:22:56,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:22:56,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:22:56,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:22:56,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:22:56,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:22:56,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (1/1) ... [2021-10-13 01:22:56,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:22:56,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:56,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:56,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:22:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:22:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 01:22:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:22:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:22:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:22:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:22:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:22:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:22:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:22:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:22:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:22:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:22:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:23:00,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:23:00,852 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-10-13 01:23:00,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:00 BoogieIcfgContainer [2021-10-13 01:23:00,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:23:00,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:23:00,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:23:00,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:23:00,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:22:54" (1/3) ... [2021-10-13 01:23:00,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3540c3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:00, skipping insertion in model container [2021-10-13 01:23:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:22:56" (2/3) ... [2021-10-13 01:23:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3540c3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:00, skipping insertion in model container [2021-10-13 01:23:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:00" (3/3) ... [2021-10-13 01:23:00,865 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl.i [2021-10-13 01:23:00,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:23:00,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 01:23:00,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3540c3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:23:00, skipping insertion in model container [2021-10-13 01:23:00,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:23:00,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:23:00,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:23:00,874 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:23:00,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:00" (3/3) ... [2021-10-13 01:23:00,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:23:00,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-10-13 01:23:00,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2021-10-13 01:23:00,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-13 01:23:00,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-13 01:23:00,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 01:23:00,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:23:01,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:23:01,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:23:01,196 INFO L168 Benchmark]: Toolchain (without parser) took 6901.10 ms. Allocated memory was 79.7 MB in the beginning and 182.5 MB in the end (delta: 102.8 MB). Free memory was 37.5 MB in the beginning and 67.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,196 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 79.7 MB. Free memory was 58.3 MB in the beginning and 58.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:23:01,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2063.17 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 37.3 MB in the beginning and 55.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 254.66 ms. Allocated memory is still 115.3 MB. Free memory was 54.6 MB in the beginning and 74.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,197 INFO L168 Benchmark]: Boogie Preprocessor took 149.86 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 65.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,198 INFO L168 Benchmark]: RCFGBuilder took 4088.75 ms. Allocated memory was 115.3 MB in the beginning and 182.5 MB in the end (delta: 67.1 MB). Free memory was 65.7 MB in the beginning and 100.1 MB in the end (delta: -34.5 MB). Peak memory consumption was 95.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,198 INFO L168 Benchmark]: TraceAbstraction took 15.61 ms. Allocated memory is still 182.5 MB. Free memory was 99.1 MB in the beginning and 98.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:23:01,199 INFO L168 Benchmark]: Witness Printer took 320.15 ms. Allocated memory is still 182.5 MB. Free memory was 98.0 MB in the beginning and 67.6 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:01,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 79.7 MB. Free memory was 58.3 MB in the beginning and 58.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2063.17 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 37.3 MB in the beginning and 55.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 254.66 ms. Allocated memory is still 115.3 MB. Free memory was 54.6 MB in the beginning and 74.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.86 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 65.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4088.75 ms. Allocated memory was 115.3 MB in the beginning and 182.5 MB in the end (delta: 67.1 MB). Free memory was 65.7 MB in the beginning and 100.1 MB in the end (delta: -34.5 MB). Peak memory consumption was 95.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15.61 ms. Allocated memory is still 182.5 MB. Free memory was 99.1 MB in the beginning and 98.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 320.15 ms. Allocated memory is still 182.5 MB. Free memory was 98.0 MB in the beginning and 67.6 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 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 01:23:01,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5721ac-b967-43a5-acea-54d3f0f7c482/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...