./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_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_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/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_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/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_20995411-16a9-4b88-8ad9-aa6996d32581/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 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac --- 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 17:56:25,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:56:25,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:56:25,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:56:25,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:56:25,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:56:25,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:56:25,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:56:25,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:56:25,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:56:25,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:56:25,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:56:25,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:56:25,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:56:25,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:56:25,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:56:25,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:56:25,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:56:25,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:56:25,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:56:25,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:56:25,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:56:25,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:56:25,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:56:25,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:56:25,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:56:25,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:56:25,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:56:25,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:56:25,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:56:25,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:56:25,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:56:25,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:56:25,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:56:25,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:56:25,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:56:25,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:56:25,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:56:25,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:56:25,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:56:25,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:56:25,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:56:25,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:56:25,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:56:25,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:56:25,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:56:25,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:56:25,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:56:25,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:56:25,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:56:25,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:56:25,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:56:25,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:56:25,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:56:25,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:56:25,970 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:56:25,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:56:25,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:56:25,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:56:25,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:56:25,971 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:56:25,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:56:25,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:25,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:56:25,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:56:25,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:56:25,973 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:56:25,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:56:25,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:56:25,973 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_20995411-16a9-4b88-8ad9-aa6996d32581/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac [2022-11-20 17:56:26,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:56:26,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:56:26,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:56:26,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:56:26,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:56:26,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2022-11-20 17:56:29,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:56:30,016 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:56:30,016 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2022-11-20 17:56:30,049 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/data/c228f8d2d/1c360d6573d94ff88f6532bc58cf6615/FLAG4b8a6b471 [2022-11-20 17:56:30,068 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/data/c228f8d2d/1c360d6573d94ff88f6532bc58cf6615 [2022-11-20 17:56:30,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:56:30,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:56:30,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:30,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:56:30,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:56:30,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:30" (1/1) ... [2022-11-20 17:56:30,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9d37a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:30, skipping insertion in model container [2022-11-20 17:56:30,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:30" (1/1) ... [2022-11-20 17:56:30,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:56:30,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:30,624 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:56:31,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:31,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:56:31,375 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:56:31,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:31,596 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:56:31,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31 WrapperNode [2022-11-20 17:56:31,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:31,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:31,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:56:31,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:56:31,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,686 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-11-20 17:56:31,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:31,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:56:31,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:56:31,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:56:31,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:56:31,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:56:31,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:56:31,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:56:31,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:31,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:56:31,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:56:31,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:56:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:56:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:56:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:56:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:56:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:56:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:56:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:56:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:56:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:56:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:56:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:56:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:56:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:56:31,976 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:56:31,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:56:32,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:56:32,413 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:56:32,413 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:56:32,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:32 BoogieIcfgContainer [2022-11-20 17:56:32,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:56:32,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:56:32,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:56:32,428 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:56:32,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:32" (1/1) ... [2022-11-20 17:56:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:56:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-11-20 17:56:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-20 17:56:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:56:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:32,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,000 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 17:56:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2022-11-20 17:56:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 17:56:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:56:33,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,255 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 17:56:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-20 17:56:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-20 17:56:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:56:33,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,356 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 17:56:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2022-11-20 17:56:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-20 17:56:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:56:33,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 58 transitions. [2022-11-20 17:56:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:56:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:56:33,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 60 transitions. [2022-11-20 17:56:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-20 17:56:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:56:33,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-11-20 17:56:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 17:56:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:56:33,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-11-20 17:56:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 17:56:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:56:33,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-11-20 17:56:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 17:56:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:56:34,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-11-20 17:56:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 17:56:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:56:34,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:56:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 68 transitions. [2022-11-20 17:56:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-20 17:56:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:56:34,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,588 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 17:56:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 71 transitions. [2022-11-20 17:56:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-11-20 17:56:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:56:34,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 72 transitions. [2022-11-20 17:56:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-11-20 17:56:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:56:34,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,892 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 17:56:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 73 transitions. [2022-11-20 17:56:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-11-20 17:56:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:56:34,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:56:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 58 transitions. [2022-11-20 17:56:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:56:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:56:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:56:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 52 transitions. [2022-11-20 17:56:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-20 17:56:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:56:35,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:35,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:56:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 57 transitions. [2022-11-20 17:56:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-20 17:56:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:56:35,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:35,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:56:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 58 transitions. [2022-11-20 17:56:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:56:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:56:35,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:56:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 69 transitions. [2022-11-20 17:56:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-20 17:56:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:56:36,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:56:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 71 transitions. [2022-11-20 17:56:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-20 17:56:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:56:36,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:56:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 75 transitions. [2022-11-20 17:56:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-20 17:56:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:56:36,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:36,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:56:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 41 states and 47 transitions. [2022-11-20 17:56:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 17:56:37,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:56:37,170 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-20 17:56:37,179 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:56:37,306 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:56:37,310 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 17:56:37,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:56:37,317 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:56:37,317 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:56:37,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:56:37 ImpRootNode [2022-11-20 17:56:37,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:56:37,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:56:37,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:56:37,318 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:56:37,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:32" (3/4) ... [2022-11-20 17:56:37,321 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:56:37,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:56:37,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:56:37,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:56:37,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:56:37,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:56:37,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:56:37,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:56:37,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:56:37,398 INFO L158 Benchmark]: Toolchain (without parser) took 7323.20ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 126.6MB in the beginning and 99.1MB in the end (delta: 27.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,399 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 121.6MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:56:37,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.49ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 66.7MB in the end (delta: 59.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.70ms. Allocated memory is still 161.5MB. Free memory was 66.7MB in the beginning and 130.6MB in the end (delta: -63.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,400 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 128.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,400 INFO L158 Benchmark]: RCFGBuilder took 698.73ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 110.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,400 INFO L158 Benchmark]: CodeCheck took 4900.13ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 110.7MB in the beginning and 102.2MB in the end (delta: 8.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,400 INFO L158 Benchmark]: Witness Printer took 79.89ms. Allocated memory is still 195.0MB. Free memory was 102.2MB in the beginning and 99.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:56:37,402 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, 49 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1495 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 786 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2110 IncrementalHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 544 mSDtfsCounter, 2110 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3231 GetRequests, 3163 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 405 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 54/58 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: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 121.6MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.49ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 66.7MB in the end (delta: 59.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.70ms. Allocated memory is still 161.5MB. Free memory was 66.7MB in the beginning and 130.6MB in the end (delta: -63.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 128.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.73ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 110.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4900.13ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 110.7MB in the beginning and 102.2MB in the end (delta: 8.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Witness Printer took 79.89ms. Allocated memory is still 195.0MB. Free memory was 102.2MB in the beginning and 99.1MB 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 17:56:37,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20995411-16a9-4b88-8ad9-aa6996d32581/bin/ukojak-pZX7IvK2PQ/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