./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ --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 36be26bf8eee698fc294072c12b41ac40eaff5c4968e73ff7c4cdf27eff2e8ed --- 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-6b4ec56 [2022-11-20 17:27:19,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:19,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:19,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:19,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:19,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:19,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:19,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:19,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:19,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:19,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:19,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:19,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:19,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:19,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:19,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:19,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:19,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:19,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:19,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:19,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:19,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:19,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:19,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:19,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:19,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:19,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:19,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:19,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:19,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:19,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:19,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:19,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:19,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:19,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:19,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:19,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:19,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:19,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:19,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:19,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:19,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:27:19,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:19,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:19,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:19,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:19,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:19,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:19,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:19,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:27:19,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:27:19,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:19,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:19,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:19,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:19,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:27:19,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:19,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:19,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:19,996 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:19,997 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:19,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:19,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:19,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:19,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:19,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:19,999 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:27:19,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:27:19,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:20,000 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_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36be26bf8eee698fc294072c12b41ac40eaff5c4968e73ff7c4cdf27eff2e8ed [2022-11-20 17:27:20,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:20,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:20,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:20,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:20,386 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:20,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_good.i [2022-11-20 17:27:23,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:24,135 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:24,136 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_good.i [2022-11-20 17:27:24,162 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/data/c79b2da1a/38d3e19230e84c8c9f8513821d1c87f2/FLAGfdadc8782 [2022-11-20 17:27:24,179 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/data/c79b2da1a/38d3e19230e84c8c9f8513821d1c87f2 [2022-11-20 17:27:24,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:24,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:24,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:24,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:24,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:24,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:24" (1/1) ... [2022-11-20 17:27:24,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ae1cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24, skipping insertion in model container [2022-11-20 17:27:24,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:24" (1/1) ... [2022-11-20 17:27:24,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:24,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:24,810 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:27:25,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:25,417 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:25,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:27:25,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:25,722 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:25,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25 WrapperNode [2022-11-20 17:27:25,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:25,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:25,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:25,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:25,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,817 INFO L138 Inliner]: procedures = 509, calls = 72, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 70 [2022-11-20 17:27:25,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:25,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:25,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:25,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:25,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:25,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:25,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:25,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:25,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:25,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:25,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:25,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:27:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:27:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:27:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:27:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:27:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:27:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:27:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:27:26,134 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:26,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:26,322 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:26,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:26,393 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:27:26,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26 BoogieIcfgContainer [2022-11-20 17:27:26,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:26,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:26,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:26,423 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:26,424 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26" (1/1) ... [2022-11-20 17:27:26,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:27:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 17:27:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:27:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:27:26,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:26,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:27:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:27:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:27:26,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:26,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 17:27:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 17:27:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:27:27,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 17:27:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 17:27:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:27:27,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 17:27:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 17:27:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:27:27,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 17:27:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 17:27:27,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:27:27,679 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 17:27:27,687 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:27:27,735 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:27:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:27:27 ImpRootNode [2022-11-20 17:27:27,742 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:27:27,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:27:27,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:27:27,745 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:27:27,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26" (3/4) ... [2022-11-20 17:27:27,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:27:27,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:27:27,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:27:27,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-20 17:27:27,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 17:27:27,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:27:27,770 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:27:27,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:27:27,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:27:27,854 INFO L158 Benchmark]: Toolchain (without parser) took 3670.37ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 93.0MB in the beginning and 91.9MB in the end (delta: 1.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,855 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 146.8MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:27,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1539.36ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 93.0MB in the beginning and 125.0MB in the end (delta: -32.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.62ms. Allocated memory is still 199.2MB. Free memory was 125.0MB in the beginning and 121.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,857 INFO L158 Benchmark]: Boogie Preprocessor took 42.68ms. Allocated memory is still 199.2MB. Free memory was 121.9MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,863 INFO L158 Benchmark]: RCFGBuilder took 534.07ms. Allocated memory is still 199.2MB. Free memory was 119.9MB in the beginning and 103.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,863 INFO L158 Benchmark]: CodeCheck took 1346.38ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 95.1MB in the end (delta: 8.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,864 INFO L158 Benchmark]: Witness Printer took 108.45ms. Allocated memory is still 199.2MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:27:27,865 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 72 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: 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: 1574]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 146.8MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1539.36ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 93.0MB in the beginning and 125.0MB in the end (delta: -32.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.62ms. Allocated memory is still 199.2MB. Free memory was 125.0MB in the beginning and 121.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.68ms. Allocated memory is still 199.2MB. Free memory was 121.9MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.07ms. Allocated memory is still 199.2MB. Free memory was 119.9MB in the beginning and 103.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1346.38ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 95.1MB in the end (delta: 8.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 108.45ms. Allocated memory is still 199.2MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:27:27,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75404b45-287f-4298-b3f0-45d596164826/bin/ukojak-pZX7IvK2PQ/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