./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/string-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:32:21,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:21,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:21,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:21,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:21,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:21,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:21,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:21,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:21,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:21,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:21,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:21,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:21,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:21,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:21,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:21,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:21,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:21,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:21,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:21,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:21,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:21,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:21,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:21,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:21,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:21,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:21,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:21,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:21,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:21,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:21,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:21,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:21,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:21,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:21,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:21,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:21,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:21,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:21,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:21,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:21,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:21,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:21,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:21,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:21,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:21,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:21,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:21,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:21,865 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:21,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:21,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:21,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:21,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:21,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:21,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:21,866 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:21,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:21,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:21,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:21,867 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:21,868 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:21,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:21,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:21,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:21,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:21,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:21,869 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:21,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:21,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:21,870 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_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de [2022-10-17 16:32:22,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:22,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:22,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:22,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:22,201 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:22,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/string-1.i [2022-10-17 16:32:22,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/data/72c72b131/d51e7f3155524dc094db762d7193abd0/FLAG2d787e95c [2022-10-17 16:32:22,802 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:22,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/sv-benchmarks/c/loops/string-1.i [2022-10-17 16:32:22,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/data/72c72b131/d51e7f3155524dc094db762d7193abd0/FLAG2d787e95c [2022-10-17 16:32:23,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/data/72c72b131/d51e7f3155524dc094db762d7193abd0 [2022-10-17 16:32:23,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:23,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:23,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:23,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:23,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:23,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478dc63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23, skipping insertion in model container [2022-10-17 16:32:23,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:23,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:23,413 WARN L230 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_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/sv-benchmarks/c/loops/string-1.i[896,909] [2022-10-17 16:32:23,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:23,475 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:23,495 WARN L230 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_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/sv-benchmarks/c/loops/string-1.i[896,909] [2022-10-17 16:32:23,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:23,553 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:23,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23 WrapperNode [2022-10-17 16:32:23,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:23,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:23,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:23,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:23,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,622 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2022-10-17 16:32:23,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:23,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:23,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:23,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:23,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:23,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:23,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:23,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:23,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:23" (1/1) ... [2022-10-17 16:32:23,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:23,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:23,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:32:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:32:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:32:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:32:23,859 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:23,861 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:24,155 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:24,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:24,243 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:32:24,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:24 BoogieIcfgContainer [2022-10-17 16:32:24,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:24,248 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:24,248 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:24,259 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:24,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:32:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:32:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:32:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:32:24,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 16:32:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 16:32:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:32:24,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:32:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:32:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:32:25,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:32:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:32:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:32:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:32:25,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:32:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:32:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:32:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:32:25,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:32:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 16:32:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:32:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:32:25,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:32:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:32:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:32:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:32:25,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:32:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-10-17 16:32:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-10-17 16:32:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:32:26,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:32:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-10-17 16:32:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-10-17 16:32:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:32:26,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:32:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-10-17 16:32:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-10-17 16:32:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:32:26,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:32:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-10-17 16:32:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-10-17 16:32:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:32:26,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:32:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-10-17 16:32:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-10-17 16:32:27,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:32:27,091 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-10-17 16:32:27,101 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:32:27,161 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,166 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,167 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,167 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,167 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,167 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:27,168 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-10-17 16:32:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:32:27 ImpRootNode [2022-10-17 16:32:27,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:32:27,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:32:27,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:32:27,179 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:32:27,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:24" (3/4) ... [2022-10-17 16:32:27,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:32:27,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-10-17 16:32:27,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:32:27,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:32:27,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:32:27,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:32:27,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:32:27,294 INFO L158 Benchmark]: Toolchain (without parser) took 4139.99ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 64.3MB in the beginning and 112.4MB in the end (delta: -48.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,295 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:27,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.95ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 78.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.67ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,297 INFO L158 Benchmark]: Boogie Preprocessor took 60.87ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:27,299 INFO L158 Benchmark]: RCFGBuilder took 561.78ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 60.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,300 INFO L158 Benchmark]: CodeCheck took 2930.42ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 36.8MB in the end (delta: 23.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,300 INFO L158 Benchmark]: Witness Printer took 114.97ms. Allocated memory is still 138.4MB. Free memory was 36.8MB in the beginning and 112.4MB in the end (delta: -75.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 483 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 178 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1440 GetRequests, 1407 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 90/130 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: i == 0 || !(i <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.95ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 78.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.67ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.87ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.78ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 60.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2930.42ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 36.8MB in the end (delta: 23.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Witness Printer took 114.97ms. Allocated memory is still 138.4MB. Free memory was 36.8MB in the beginning and 112.4MB in the end (delta: -75.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:32:27,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfd15f04-28ac-48c2-9104-f1c7addbb1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE