./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- 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-5e519f3 [2022-11-03 02:24:49,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:24:49,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:24:49,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:24:49,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:24:49,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:24:49,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:24:49,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:24:49,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:24:49,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:24:49,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:24:49,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:24:49,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:24:49,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:24:49,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:24:49,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:24:49,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:24:49,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:24:49,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:24:49,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:24:49,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:24:49,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:24:49,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:24:49,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:24:49,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:24:49,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:24:49,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:24:49,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:24:49,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:24:49,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:24:49,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:24:49,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:24:49,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:24:49,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:24:49,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:24:49,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:24:49,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:24:49,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:24:49,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:24:49,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:24:49,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:24:49,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-03 02:24:49,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:24:49,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:24:49,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:24:49,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:24:49,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:24:49,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:24:49,941 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:24:49,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:24:49,941 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:24:49,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:24:49,942 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:24:49,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:24:49,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:24:49,942 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:24:49,943 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:24:49,943 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:24:49,943 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:24:49,944 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:24:49,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:24:49,945 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:24:49,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:24:49,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:24:49,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:24:49,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:24:49,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:24:49,946 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:24:49,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:24:49,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:24:49,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:24:49,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:24:49,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:24:49,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:49,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:24:49,949 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:24:49,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:24:49,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:24:49,949 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:24:49,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:24:49,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:24:49,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:24:49,951 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_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2022-11-03 02:24:50,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:24:50,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:24:50,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:24:50,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:24:50,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:24:50,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-03 02:24:50,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/data/baeb5da58/220a052e26e74c70bbdc12c7085102da/FLAG819dea0a5 [2022-11-03 02:24:50,955 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:24:50,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-03 02:24:50,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/data/baeb5da58/220a052e26e74c70bbdc12c7085102da/FLAG819dea0a5 [2022-11-03 02:24:51,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/data/baeb5da58/220a052e26e74c70bbdc12c7085102da [2022-11-03 02:24:51,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:24:51,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:24:51,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:51,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:24:51,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:24:51,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600f44ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51, skipping insertion in model container [2022-11-03 02:24:51,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:24:51,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:24:51,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:51,611 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:24:51,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:51,648 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:24:51,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51 WrapperNode [2022-11-03 02:24:51,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:51,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:51,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:24:51,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:24:51,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,682 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-03 02:24:51,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:51,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:24:51,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:24:51,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:24:51,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:24:51,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:24:51,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:24:51,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:24:51,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (1/1) ... [2022-11-03 02:24:51,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:24:51,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:24:51,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:24:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:24:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:24:51,907 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:24:51,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:24:52,032 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:24:52,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:24:52,090 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:24:52,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:24:52 BoogieIcfgContainer [2022-11-03 02:24:52,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:24:52,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:24:52,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:24:52,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:24:52,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:24:51" (1/3) ... [2022-11-03 02:24:52,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e08ad45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:24:52, skipping insertion in model container [2022-11-03 02:24:52,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:51" (2/3) ... [2022-11-03 02:24:52,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e08ad45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:24:52, skipping insertion in model container [2022-11-03 02:24:52,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:24:52" (3/3) ... [2022-11-03 02:24:52,111 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-11-03 02:24:52,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:24:52,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 02:24:52,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e08ad45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:24:52, skipping insertion in model container [2022-11-03 02:24:52,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:24:52,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:24:52,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:24:52,142 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:24:52,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:24:52" (3/3) ... [2022-11-03 02:24:52,146 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:24:52,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-03 02:24:52,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:24:52,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:24:52,222 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:24:52,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:24:52,224 INFO L158 Benchmark]: Toolchain (without parser) took 914.91ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:24:52,228 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:24:52,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.00ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 80.3MB in the end (delta: -14.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:24:52,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 102.8MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:24:52,234 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 771.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:24:52,235 INFO L158 Benchmark]: RCFGBuilder took 374.58ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 68.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:24:52,235 INFO L158 Benchmark]: TraceAbstraction took 36.37ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:24:52,237 INFO L158 Benchmark]: Witness Printer took 81.47ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:24:52,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.00ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 80.3MB in the end (delta: -14.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 102.8MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.67ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 771.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.58ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 68.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 36.37ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 81.47ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-03 02:24:52,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5de9d051-1016-4065-abfe-7cd6692ad11c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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