./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/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_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/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_2e935ec8-aa66-4c57-a13e-da99666291be/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 bdb209d5f14754426d5470b287acecb3d158db93195bb36ecfa675925050d181 --- 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 16:41:25,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:41:25,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:41:25,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:41:25,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:41:25,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:41:25,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:41:25,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:41:25,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:41:25,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:41:25,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:41:25,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:41:25,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:41:25,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:41:25,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:41:25,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:41:25,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:41:25,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:41:25,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:41:25,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:41:25,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:41:25,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:41:25,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:41:25,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:41:25,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:41:25,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:41:25,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:41:25,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:41:25,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:41:25,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:41:25,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:41:25,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:41:25,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:41:25,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:41:25,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:41:25,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:41:25,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:41:25,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:41:25,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:41:25,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:41:25,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:41:25,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:41:25,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:41:25,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:41:25,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:41:25,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:41:25,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:41:25,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:41:25,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:41:25,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:41:25,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:41:25,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:41:25,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:41:25,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:41:25,836 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:41:25,836 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:41:25,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:41:25,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:25,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:41:25,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:41:25,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:41:25,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:41:25,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:41:25,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:41:25,838 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_2e935ec8-aa66-4c57-a13e-da99666291be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb209d5f14754426d5470b287acecb3d158db93195bb36ecfa675925050d181 [2022-11-20 16:41:26,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:41:26,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:41:26,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:41:26,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:41:26,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:41:26,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_12_good.i [2022-11-20 16:41:29,257 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:29,581 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:29,589 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_12_good.i [2022-11-20 16:41:29,616 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/data/d24ddfff6/9510709461dc4e12933da71079e2f0f4/FLAG11f99b9d8 [2022-11-20 16:41:29,637 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/data/d24ddfff6/9510709461dc4e12933da71079e2f0f4 [2022-11-20 16:41:29,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:29,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:29,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:29,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:29,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:29,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:29" (1/1) ... [2022-11-20 16:41:29,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50aa4c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:29, skipping insertion in model container [2022-11-20 16:41:29,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:29" (1/1) ... [2022-11-20 16:41:29,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:29,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:30,137 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:41:30,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:30,753 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:41:30,784 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:41:30,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:31,034 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:41:31,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31 WrapperNode [2022-11-20 16:41:31,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:31,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:31,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:41:31,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:41:31,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,108 INFO L138 Inliner]: procedures = 501, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2022-11-20 16:41:31,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:31,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:41:31,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:41:31,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:41:31,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:41:31,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:41:31,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:41:31,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:41:31,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:41:31,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:41:31,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:41:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:41:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:41:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 16:41:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 16:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:41:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:41:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:41:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:41:31,484 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:41:31,487 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:41:31,720 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:41:31,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:41:31,778 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:41:31,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:31 BoogieIcfgContainer [2022-11-20 16:41:31,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:41:31,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:41:31,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:41:31,795 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:41:31,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:41:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 16:41:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 16:41:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:41:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:41:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2022-11-20 16:41:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-11-20 16:41:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:41:32,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:32,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:41:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2022-11-20 16:41:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-20 16:41:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:41:32,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:41:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 57 transitions. [2022-11-20 16:41:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-20 16:41:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:41:33,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:41:33,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 56 transitions. [2022-11-20 16:41:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 16:41:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:41:33,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:41:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 55 transitions. [2022-11-20 16:41:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 16:41:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:41:34,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:41:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 54 transitions. [2022-11-20 16:41:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 16:41:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:41:34,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:34,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:41:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 53 transitions. [2022-11-20 16:41:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 16:41:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:41:34,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:41:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 52 transitions. [2022-11-20 16:41:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-11-20 16:41:34,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:41:34,376 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 16:41:34,386 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:41:34,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:41:34,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:34 ImpRootNode [2022-11-20 16:41:34,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:41:34,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:41:34,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:41:34,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:41:34,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:31" (3/4) ... [2022-11-20 16:41:34,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:41:34,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:41:34,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 16:41:34,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:41:34,498 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:41:34,499 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:41:34,499 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:41:34,499 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:41:34,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:41:34,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:41:34,583 INFO L158 Benchmark]: Toolchain (without parser) took 4941.07ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 133.7MB in the beginning and 185.9MB in the end (delta: -52.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:34,583 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 138.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:34,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.60ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 130.8MB in the end (delta: 2.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.21ms. Allocated memory is still 182.5MB. Free memory was 130.8MB in the beginning and 127.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,584 INFO L158 Benchmark]: Boogie Preprocessor took 79.95ms. Allocated memory is still 182.5MB. Free memory was 127.8MB in the beginning and 126.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,585 INFO L158 Benchmark]: RCFGBuilder took 591.31ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 107.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,586 INFO L158 Benchmark]: CodeCheck took 2687.25ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 107.8MB in the beginning and 190.0MB in the end (delta: -82.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,587 INFO L158 Benchmark]: Witness Printer took 111.57ms. Allocated memory is still 224.4MB. Free memory was 190.0MB in the beginning and 185.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,591 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 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 492 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 456 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 244 mSDtfsCounter, 456 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1180 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 64/64 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1626]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 138.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.60ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 130.8MB in the end (delta: 2.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.21ms. Allocated memory is still 182.5MB. Free memory was 130.8MB in the beginning and 127.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.95ms. Allocated memory is still 182.5MB. Free memory was 127.8MB in the beginning and 126.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.31ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 107.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2687.25ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 107.8MB in the beginning and 190.0MB in the end (delta: -82.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Witness Printer took 111.57ms. Allocated memory is still 224.4MB. Free memory was 190.0MB in the beginning and 185.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:41:34,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e935ec8-aa66-4c57-a13e-da99666291be/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