./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/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_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/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_e9c6a464-e316-49a2-b271-3d88bd15413c/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 f81b0cde35a679238de645d3da8bb515a2b28eea0ad5084b01f82295182f6f8b --- 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 23:09:06,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:09:06,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:09:06,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:09:06,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:09:06,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:09:06,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:09:06,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:09:06,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:09:06,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:09:06,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:09:06,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:09:06,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:09:06,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:09:06,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:09:06,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:09:06,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:09:06,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:09:06,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:09:06,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:09:06,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:09:06,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:09:06,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:09:06,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:09:06,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:09:06,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:09:06,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:09:06,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:09:06,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:09:06,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:09:06,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:09:06,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:09:06,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:09:06,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:09:06,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:09:06,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:09:06,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:09:06,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:09:06,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:09:06,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:09:06,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:09:06,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:09:06,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:09:06,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:09:06,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:09:06,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:09:06,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:09:06,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:09:06,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:09:06,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:09:06,260 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:09:06,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:09:06,260 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:09:06,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:09:06,260 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:09:06,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:09:06,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:09:06,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:06,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:09:06,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:09:06,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:09:06,262 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:09:06,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:09:06,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:09:06,262 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_e9c6a464-e316-49a2-b271-3d88bd15413c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81b0cde35a679238de645d3da8bb515a2b28eea0ad5084b01f82295182f6f8b [2022-11-21 23:09:06,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:09:06,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:09:06,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:09:06,594 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:09:06,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:09:06,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i [2022-11-21 23:09:09,670 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:09:10,221 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:09:10,224 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i [2022-11-21 23:09:10,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/data/f3fe9e15c/0048e402bab54499bf0b3909c8611238/FLAG7ebfc84e5 [2022-11-21 23:09:10,258 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/data/f3fe9e15c/0048e402bab54499bf0b3909c8611238 [2022-11-21 23:09:10,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:09:10,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:09:10,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:10,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:09:10,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:09:10,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eb6abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10, skipping insertion in model container [2022-11-21 23:09:10,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:09:10,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:09:10,670 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:09:11,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:11,302 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:09:11,342 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:09:11,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:11,643 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:09:11,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11 WrapperNode [2022-11-21 23:09:11,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:11,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:11,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:09:11,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:09:11,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,743 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2022-11-21 23:09:11,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:11,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:09:11,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:09:11,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:09:11,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:09:11,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:09:11,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:09:11,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:09:11,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:11,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:09:11,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:09:11,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:09:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:09:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:09:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:09:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:09:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:09:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:09:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:09:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:09:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:09:12,160 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:09:12,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:09:12,416 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:09:12,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:09:12,492 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:09:12,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:12 BoogieIcfgContainer [2022-11-21 23:09:12,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:09:12,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:09:12,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:09:12,513 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:09:12,514 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:12" (1/1) ... [2022-11-21 23:09:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:09:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-21 23:09:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-21 23:09:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:09:12,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:12,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:12,941 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 23:09:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-21 23:09:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-21 23:09:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:09:13,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,153 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 23:09:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-21 23:09:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-21 23:09:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:09:13,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-21 23:09:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-21 23:09:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:09:13,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-11-21 23:09:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-21 23:09:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:09:13,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:09:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-21 23:09:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-21 23:09:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:09:13,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-11-21 23:09:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-21 23:09:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:09:14,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-11-21 23:09:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-21 23:09:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:09:14,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 65 transitions. [2022-11-21 23:09:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-11-21 23:09:14,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:09:14,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 68 transitions. [2022-11-21 23:09:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-21 23:09:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:09:14,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 69 transitions. [2022-11-21 23:09:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-21 23:09:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:09:14,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 44 transitions. [2022-11-21 23:09:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-21 23:09:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:09:14,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 38 transitions. [2022-11-21 23:09:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-21 23:09:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:09:15,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 42 transitions. [2022-11-21 23:09:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-21 23:09:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:09:15,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:09:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 47 transitions. [2022-11-21 23:09:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-21 23:09:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:09:16,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,207 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 23:09:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 57 transitions. [2022-11-21 23:09:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-21 23:09:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:09:16,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,763 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 23:09:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 60 transitions. [2022-11-21 23:09:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-21 23:09:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:09:16,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 65 transitions. [2022-11-21 23:09:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-11-21 23:09:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:09:17,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 69 transitions. [2022-11-21 23:09:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-21 23:09:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:09:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 33 states and 34 transitions. [2022-11-21 23:09:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-21 23:09:18,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:09:18,039 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-21 23:09:18,047 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 23:09:18,158 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:09:18,163 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-21 23:09:18,170 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 23:09:18,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:09:18,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:09:18,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:09:18 ImpRootNode [2022-11-21 23:09:18,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:09:18,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:09:18,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:09:18,173 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:09:18,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:12" (3/4) ... [2022-11-21 23:09:18,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:09:18,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:09:18,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:09:18,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:09:18,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 23:09:18,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:09:18,200 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:09:18,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:09:18,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:09:18,268 INFO L158 Benchmark]: Toolchain (without parser) took 8005.45ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 96.9MB in the beginning and 94.9MB in the end (delta: 2.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,268 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 107.0MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:09:18,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.97ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 96.4MB in the beginning and 127.0MB in the end (delta: -30.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.92ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 124.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,269 INFO L158 Benchmark]: Boogie Preprocessor took 72.32ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,270 INFO L158 Benchmark]: RCFGBuilder took 683.23ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 106.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,271 INFO L158 Benchmark]: CodeCheck took 5670.77ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 99.1MB in the end (delta: 6.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,271 INFO L158 Benchmark]: Witness Printer took 94.53ms. Allocated memory is still 169.9MB. Free memory was 99.1MB in the beginning and 94.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:09:18,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1205 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 487 mSDsluCounter, 551 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 636 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2218 IncrementalHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 636 mSolverCounterUnsat, 371 mSDtfsCounter, 2218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2836 GetRequests, 2736 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3124 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 85/89 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data + 2147483648 <= 0) || i == 0 - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 107.0MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.97ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 96.4MB in the beginning and 127.0MB in the end (delta: -30.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.92ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 124.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.32ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.23ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 106.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5670.77ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 99.1MB in the end (delta: 6.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 94.53ms. Allocated memory is still 169.9MB. Free memory was 99.1MB in the beginning and 94.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:09:18,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c6a464-e316-49a2-b271-3d88bd15413c/bin/ukojak-jW3SillKbg/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 Result: TRUE