./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.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_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/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_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/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_9337c711-7c99-4d51-8130-cac6ec06637d/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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- 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 16:38:44,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:44,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:44,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:44,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:44,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:44,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:44,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:44,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:44,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:44,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:44,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:44,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:44,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:44,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:44,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:44,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:44,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:44,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:44,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:44,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:44,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:44,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:44,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:44,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:44,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:44,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:44,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:44,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:44,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:44,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:44,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:44,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:44,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:44,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:44,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:44,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:44,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:44,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:44,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:44,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:44,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:38:44,215 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:44,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:44,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:44,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:44,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:44,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:44,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:44,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:38:44,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:44,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:44,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:44,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:44,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:44,220 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:38:44,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:44,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:44,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:44,220 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:44,221 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:44,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:44,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:44,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:44,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:44,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:44,222 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:44,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:44,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:44,222 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_9337c711-7c99-4d51-8130-cac6ec06637d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2022-10-17 16:38:44,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:44,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:44,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:44,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:44,585 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:44,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2022-10-17 16:38:44,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/data/8aeca0e3a/179eba20f12c4daf9e7b4cf2d78a2a22/FLAG499e084fe [2022-10-17 16:38:45,101 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:45,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2022-10-17 16:38:45,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/data/8aeca0e3a/179eba20f12c4daf9e7b4cf2d78a2a22/FLAG499e084fe [2022-10-17 16:38:45,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/data/8aeca0e3a/179eba20f12c4daf9e7b4cf2d78a2a22 [2022-10-17 16:38:45,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:45,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:45,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:45,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:45,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:45,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa29d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45, skipping insertion in model container [2022-10-17 16:38:45,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:45,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:45,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:45,766 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:45,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:45,790 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:45,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45 WrapperNode [2022-10-17 16:38:45,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:45,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:45,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:45,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:45,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,825 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-10-17 16:38:45,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:45,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:45,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:45,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:45,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:45,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:45,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:45,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:45,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:45,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:45,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:46,016 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:46,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:46,158 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:46,189 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:46,189 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:38:46,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:46 BoogieIcfgContainer [2022-10-17 16:38:46,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:46,194 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:46,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:46,206 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:46,207 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:38:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:38:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:46,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:46,548 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 16:38:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-10-17 16:38:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-10-17 16:38:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:46,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:46,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:46,648 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 16:38:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-10-17 16:38:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-10-17 16:38:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:38:46,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:46,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:46,889 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 16:38:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-10-17 16:38:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-10-17 16:38:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:38:47,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:47,188 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 16:38:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:38:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:38:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:47,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:47,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2022-10-17 16:38:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2022-10-17 16:38:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:47,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-10-17 16:38:47,966 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-10-17 16:38:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:47,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:47,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2022-10-17 16:38:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2022-10-17 16:38:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:48,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-10-17 16:38:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-10-17 16:38:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:38:48,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 16:38:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:38:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:38:48,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-10-17 16:38:48,786 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-17 16:38:48,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:38:48,787 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-10-17 16:38:48,799 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-10-17 16:38:48,839 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-10-17 16:38:48,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:38:48 ImpRootNode [2022-10-17 16:38:48,851 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:38:48,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:38:48,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:38:48,852 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:38:48,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:46" (3/4) ... [2022-10-17 16:38:48,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:38:48,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:38:48,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:38:48,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:38:48,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:38:48,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:38:48,903 INFO L158 Benchmark]: Toolchain (without parser) took 3403.75ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 71.0MB in the beginning and 84.8MB in the end (delta: -13.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,903 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:48,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.27ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 84.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.70ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,905 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:48,906 INFO L158 Benchmark]: RCFGBuilder took 337.01ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 72.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,907 INFO L158 Benchmark]: CodeCheck took 2657.15ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 72.8MB in the beginning and 86.9MB in the end (delta: -14.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,907 INFO L158 Benchmark]: Witness Printer took 50.21ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:48,911 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: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 826 IncrementalHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 40 mSDtfsCounter, 826 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 708 GetRequests, 646 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 12/25 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 18]: Loop Invariant Derived loop invariant: (i <= 2147483647 && j <= 2147483647) && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.27ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 84.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.70ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.01ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 72.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2657.15ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 72.8MB in the beginning and 86.9MB in the end (delta: -14.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 50.21ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:38:48,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9337c711-7c99-4d51-8130-cac6ec06637d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE