./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/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_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 --- 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 17:05:38,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:38,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:38,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:38,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:38,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:38,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:38,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:38,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:38,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:38,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:38,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:38,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:38,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:38,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:38,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:38,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:38,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:38,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:38,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:38,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:38,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:38,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:38,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:38,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:38,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:38,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:38,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:38,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:38,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:38,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:38,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:38,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:38,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:38,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:38,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:38,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:38,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:38,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:38,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:38,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:38,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:05:38,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:38,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:38,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:38,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:38,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:38,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:38,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:38,892 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:38,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:05:38,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:38,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:38,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:38,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:38,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:38,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:38,895 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:05:38,895 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:38,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:38,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:38,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:38,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:38,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:38,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:38,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:38,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:38,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:38,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:38,899 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:38,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:38,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:38,900 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_db708372-e888-46ba-9f8a-c5c2d8c98d97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 [2022-10-17 17:05:39,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:39,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:39,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:39,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:39,237 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:39,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2022-10-17 17:05:39,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/data/d0ebf10b7/4b4f8cce5b4b40d4bd6e00b744ffd863/FLAG65977c576 [2022-10-17 17:05:39,842 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:39,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2022-10-17 17:05:39,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/data/d0ebf10b7/4b4f8cce5b4b40d4bd6e00b744ffd863/FLAG65977c576 [2022-10-17 17:05:40,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/data/d0ebf10b7/4b4f8cce5b4b40d4bd6e00b744ffd863 [2022-10-17 17:05:40,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:40,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:40,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:40,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:40,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:40,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa02216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40, skipping insertion in model container [2022-10-17 17:05:40,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:40,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:40,524 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_db708372-e888-46ba-9f8a-c5c2d8c98d97/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2022-10-17 17:05:40,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:40,539 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:40,595 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_db708372-e888-46ba-9f8a-c5c2d8c98d97/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2022-10-17 17:05:40,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:40,611 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:40,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40 WrapperNode [2022-10-17 17:05:40,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:40,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:40,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:40,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:40,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,685 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 534 [2022-10-17 17:05:40,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:40,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:40,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:40,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:40,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,732 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:40,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:40,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:40,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:40,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:40,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:40,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:40,945 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:40,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:40,968 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 17:05:41,649 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-10-17 17:05:41,650 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-10-17 17:05:41,650 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:41,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:41,829 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:41 BoogieIcfgContainer [2022-10-17 17:05:41,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:41,835 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:41,835 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:41,845 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:41,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:41" (1/1) ... [2022-10-17 17:05:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2022-10-17 17:05:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2022-10-17 17:05:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:41,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,155 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 17:05:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2022-10-17 17:05:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2022-10-17 17:05:42,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:05:42,210 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 17:05:42,220 INFO L754 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2022-10-17 17:05:42,296 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,300 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,300 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,306 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,306 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:05:42,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:05:42 ImpRootNode [2022-10-17 17:05:42,308 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:05:42,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:05:42,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:05:42,309 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:05:42,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:41" (3/4) ... [2022-10-17 17:05:42,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:05:42,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2022-10-17 17:05:42,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:05:42,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:05:42,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:05:42,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:05:42,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:05:42,497 INFO L158 Benchmark]: Toolchain (without parser) took 2312.48ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.5MB in the beginning and 56.3MB in the end (delta: -12.8MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,498 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:42,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.11ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 68.7MB in the end (delta: -25.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.50ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,500 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,501 INFO L158 Benchmark]: RCFGBuilder took 1092.36ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,501 INFO L158 Benchmark]: CodeCheck took 473.04ms. Allocated memory is still 98.6MB. Free memory was 47.0MB in the beginning and 63.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:42,502 INFO L158 Benchmark]: Witness Printer took 188.26ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 56.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:05:42,504 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, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 18 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.11ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 68.7MB in the end (delta: -25.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.50ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1092.36ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 47.0MB in the end (delta: 16.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 473.04ms. Allocated memory is still 98.6MB. Free memory was 47.0MB in the beginning and 63.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 188.26ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 56.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:05:42,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db708372-e888-46ba-9f8a-c5c2d8c98d97/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