./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et2_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/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_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et2_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/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 64bit --witnessprinter.graph.data.programhash 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d --- 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 16:36:12,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:12,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:12,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:12,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:12,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:12,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:12,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:12,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:12,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:12,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:12,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:12,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:12,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:12,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:12,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:12,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:12,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:12,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:12,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:12,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:12,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:12,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:12,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:12,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:12,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:12,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:12,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:12,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:12,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:12,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:12,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:12,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:12,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:12,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:12,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:12,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:12,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:12,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:12,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:12,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:12,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:36:12,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:12,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:12,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:12,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:12,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:12,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:12,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:12,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:36:12,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:12,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:12,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:12,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:12,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:12,960 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:36:12,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:12,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:12,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:12,961 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:12,961 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:12,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:12,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:12,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:12,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:12,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:12,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:12,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:12,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:12,965 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_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d [2022-10-17 16:36:13,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:13,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:13,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:13,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:13,353 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:13,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-numeric/Et2_true.c [2022-10-17 16:36:13,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/data/3284fd415/40fc2f8cd3804177b8479b37a7d4e02d/FLAGc3dbffe7e [2022-10-17 16:36:13,940 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:13,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/sv-benchmarks/c/termination-numeric/Et2_true.c [2022-10-17 16:36:13,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/data/3284fd415/40fc2f8cd3804177b8479b37a7d4e02d/FLAGc3dbffe7e [2022-10-17 16:36:14,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/data/3284fd415/40fc2f8cd3804177b8479b37a7d4e02d [2022-10-17 16:36:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:14,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:14,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:14,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:14,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:14,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236ea619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14, skipping insertion in model container [2022-10-17 16:36:14,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:14,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:14,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:14,551 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:14,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:14,598 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:14,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14 WrapperNode [2022-10-17 16:36:14,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:14,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:14,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:14,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:14,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,642 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-10-17 16:36:14,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:14,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:14,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:14,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:14,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:14,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:14,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:14,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:14,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:14" (1/1) ... [2022-10-17 16:36:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:14,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:14,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure random [2022-10-17 16:36:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2022-10-17 16:36:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2022-10-17 16:36:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2022-10-17 16:36:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:14,868 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:14,869 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:15,101 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:15,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:15,132 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:36:15,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:15 BoogieIcfgContainer [2022-10-17 16:36:15,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:15,137 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:15,137 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:15,148 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:15,148 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:15" (1/1) ... [2022-10-17 16:36:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-10-17 16:36:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-10-17 16:36:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:15,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:15,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:15,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:15,452 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:36:15,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:15 ImpRootNode [2022-10-17 16:36:15,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:15,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:15,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:15,491 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:15,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:15" (3/4) ... [2022-10-17 16:36:15,493 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:36:15,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:15,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:15,569 INFO L158 Benchmark]: Toolchain (without parser) took 1252.14ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 58.9MB in the end (delta: 19.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,580 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 109.1MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:15,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.97ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 84.4MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:15,583 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,584 INFO L158 Benchmark]: RCFGBuilder took 449.77ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,585 INFO L158 Benchmark]: CodeCheck took 353.01ms. Allocated memory is still 109.1MB. Free memory was 71.2MB in the beginning and 60.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,586 INFO L158 Benchmark]: Witness Printer took 78.06ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:15,592 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 3 procedures, 39 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x = __VERIFIER_nondet_int(); [L24] int y = __VERIFIER_nondet_int(); [L25] int z = __VERIFIER_nondet_int(); [L26] CALL random() [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE x < 0 VAL [x=-2147483648] [L33] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 109.1MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.97ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 84.4MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.97ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.77ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 353.01ms. Allocated memory is still 109.1MB. Free memory was 71.2MB in the beginning and 60.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 78.06ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:36:15,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa51aa2-f9fc-457f-86bc-ab3ff5462d26/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)