./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.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_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/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_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/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_d7e848cf-e4df-486d-b022-64b24e30e0b3/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 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e --- 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 16:51:27,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:27,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:27,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:27,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:27,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:27,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:27,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:27,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:27,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:27,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:27,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:27,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:27,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:27,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:27,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:27,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:27,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:27,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:27,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:27,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:27,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:28,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:28,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:28,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:28,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:28,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:28,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:28,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:28,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:28,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:28,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:28,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:28,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:28,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:28,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:28,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:28,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:28,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:28,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:28,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:28,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:51:28,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:28,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:28,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:28,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:28,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:28,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:28,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:28,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:28,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:28,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:28,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:28,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:28,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:28,077 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:51:28,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:28,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:28,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:28,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:28,079 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:28,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:28,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:28,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:28,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:28,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:28,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:28,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:28,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:28,086 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_d7e848cf-e4df-486d-b022-64b24e30e0b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e [2022-10-17 16:51:28,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:28,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:28,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:28,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:28,536 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:28,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2022-10-17 16:51:28,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/data/22a7a34a1/c62911829cd745e9ba9547a4499bc3c5/FLAGc5d1077a5 [2022-10-17 16:51:29,140 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:29,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2022-10-17 16:51:29,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/data/22a7a34a1/c62911829cd745e9ba9547a4499bc3c5/FLAGc5d1077a5 [2022-10-17 16:51:29,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/data/22a7a34a1/c62911829cd745e9ba9547a4499bc3c5 [2022-10-17 16:51:29,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:29,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:29,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:29,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:29,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:29,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b85d093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29, skipping insertion in model container [2022-10-17 16:51:29,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:29,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:29,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:29,749 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:29,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:29,791 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:29,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29 WrapperNode [2022-10-17 16:51:29,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:29,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:29,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:29,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:29,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,831 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-10-17 16:51:29,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:29,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:29,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:29,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:29,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:29,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:29,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:29,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:29,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:29,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:29,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:30,050 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:30,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:30,152 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:30,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:30,191 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:30,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:30 BoogieIcfgContainer [2022-10-17 16:51:30,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:30,196 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:30,196 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:30,209 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:30,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:30" (1/1) ... [2022-10-17 16:51:30,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 16:51:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 16:51:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:51:30,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-17 16:51:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-17 16:51:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:30,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-10-17 16:51:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-10-17 16:51:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:51:30,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:51:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:51:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:31,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:31,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:31,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:31,504 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:51:31,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:51:31 ImpRootNode [2022-10-17 16:51:31,542 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:51:31,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:51:31,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:51:31,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:51:31,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:30" (3/4) ... [2022-10-17 16:51:31,562 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:51:31,634 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:51:31,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:51:31,635 INFO L158 Benchmark]: Toolchain (without parser) took 2130.13ms. Allocated memory is still 115.3MB. Free memory was 75.5MB in the beginning and 91.1MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:31,638 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 115.3MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:31,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.04ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 91.7MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:51:31,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.23ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:31,640 INFO L158 Benchmark]: Boogie Preprocessor took 32.26ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:31,641 INFO L158 Benchmark]: RCFGBuilder took 326.99ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 79.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:31,641 INFO L158 Benchmark]: CodeCheck took 1346.65ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 92.3MB in the end (delta: -12.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-10-17 16:51:31,641 INFO L158 Benchmark]: Witness Printer took 91.49ms. Allocated memory is still 115.3MB. Free memory was 92.3MB in the beginning and 91.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:31,643 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 6 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65ms. Allocated memory is still 115.3MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.04ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 91.7MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.23ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.26ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.99ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 79.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1346.65ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 92.3MB in the end (delta: -12.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 91.49ms. Allocated memory is still 115.3MB. Free memory was 92.3MB in the beginning and 91.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:51:31,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e848cf-e4df-486d-b022-64b24e30e0b3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)