./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg --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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- 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-b5237d8 [2022-11-21 23:51:15,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:51:15,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:51:15,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:51:15,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:51:15,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:51:15,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:51:15,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:51:15,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:51:15,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:51:15,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:51:15,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:51:15,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:51:15,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:51:15,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:51:15,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:51:15,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:51:15,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:51:15,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:51:15,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:51:15,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:51:15,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:51:15,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:51:15,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:51:15,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:51:15,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:51:15,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:51:15,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:51:15,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:51:15,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:51:15,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:51:15,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:51:15,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:51:15,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:51:15,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:51:15,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:51:15,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:51:15,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:51:15,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:51:15,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:51:15,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:51:15,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:51:15,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:51:15,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:51:15,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:51:15,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:51:15,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:51:15,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:51:15,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:51:15,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:51:15,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:51:15,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:51:15,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:51:15,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:51:15,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:51:15,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:51:15,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:51:15,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:51:15,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:51:15,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:51:15,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:51:15,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:51:15,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:51:15,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:51:15,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:51:15,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:51:15,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:51:15,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:51:15,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:51:15,196 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_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2022-11-21 23:51:15,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:51:15,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:51:15,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:51:15,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:51:15,518 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:51:15,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2022-11-21 23:51:18,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:51:18,754 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:51:18,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2022-11-21 23:51:18,759 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/data/a87a7003f/6c8d867bade3493bbfee20ba5fba75eb/FLAG8afea57bc [2022-11-21 23:51:18,774 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/data/a87a7003f/6c8d867bade3493bbfee20ba5fba75eb [2022-11-21 23:51:18,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:51:18,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:51:18,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:51:18,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:51:18,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:51:18,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:18,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2ab4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18, skipping insertion in model container [2022-11-21 23:51:18,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:18,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:51:18,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:51:18,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:51:18,940 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:51:18,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:51:18,963 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:51:18,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18 WrapperNode [2022-11-21 23:51:18,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:51:18,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:51:18,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:51:18,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:51:18,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:18,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,010 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-21 23:51:19,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:51:19,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:51:19,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:51:19,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:51:19,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:51:19,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:51:19,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:51:19,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:51:19,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:51:18" (1/1) ... [2022-11-21 23:51:19,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:51:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:51:19,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:51:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:51:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:51:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:51:19,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:51:19,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:51:19,333 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:51:19,369 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:51:19,373 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:51:19,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:51:19 BoogieIcfgContainer [2022-11-21 23:51:19,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:51:19,378 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:51:19,379 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:51:19,390 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:51:19,390 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:51:19" (1/1) ... [2022-11-21 23:51:19,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:51:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-21 23:51:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-21 23:51:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:51:19,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:51:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 23:51:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 23:51:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:51:19,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:19,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:51:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-21 23:51:19,893 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-21 23:51:19,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:51:19,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:51:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 23:51:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 23:51:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:51:20,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:51:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-11-21 23:51:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-21 23:51:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:51:20,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:51:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-21 23:51:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-21 23:51:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:51:20,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:51:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-11-21 23:51:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-21 23:51:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:51:20,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:20,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:51:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-21 23:51:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-21 23:51:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:51:21,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:51:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:51:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:51:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:51:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:51:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-11-21 23:51:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-21 23:51:21,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:51:21,943 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:51:21,952 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:51:22,064 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-21 23:51:22,075 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-11-21 23:51:22,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:51:22 ImpRootNode [2022-11-21 23:51:22,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:51:22,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:51:22,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:51:22,077 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:51:22,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:51:19" (3/4) ... [2022-11-21 23:51:22,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:51:22,104 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:51:22,104 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:51:22,105 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:51:22,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:51:22,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:51:22,139 INFO L158 Benchmark]: Toolchain (without parser) took 3360.65ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 69.4MB in the beginning and 117.6MB in the end (delta: -48.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,139 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 119.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:51:22,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.98ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 60.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.60ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 60.0MB in the beginning and 122.0MB in the end (delta: -62.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,141 INFO L158 Benchmark]: Boogie Preprocessor took 20.83ms. Allocated memory is still 151.0MB. Free memory was 122.0MB in the beginning and 121.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:51:22,142 INFO L158 Benchmark]: RCFGBuilder took 344.16ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 112.6MB in the end (delta: 8.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,143 INFO L158 Benchmark]: CodeCheck took 2697.25ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 45.9MB in the end (delta: 66.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,143 INFO L158 Benchmark]: Witness Printer took 61.89ms. Allocated memory is still 151.0MB. Free memory was 45.9MB in the beginning and 117.6MB in the end (delta: -71.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:51:22,147 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 600 IncrementalHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 16 mSDtfsCounter, 600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 396 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2379 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 12/13 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (0 <= i + 2147483648 && 0 <= j) && i <= 4 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 119.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.98ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 60.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.60ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 60.0MB in the beginning and 122.0MB in the end (delta: -62.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.83ms. Allocated memory is still 151.0MB. Free memory was 122.0MB in the beginning and 121.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.16ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 112.6MB in the end (delta: 8.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 2697.25ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 45.9MB in the end (delta: 66.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 61.89ms. Allocated memory is still 151.0MB. Free memory was 45.9MB in the beginning and 117.6MB in the end (delta: -71.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:51:22,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f717a6-6c99-4a61-b4f0-1a54fac09268/bin/ukojak-jW3SillKbg/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