./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/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_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/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_4494292a-2795-4053-ba3f-f6d8e502d409/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 d178c446d2c3b22c32b7cec7ef2101ff0c96cdb21111ec3fbe2f2e6f2308ec3c --- 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 17:25:24,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:25:24,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:25:24,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:25:24,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:25:24,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:25:24,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:25:24,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:25:24,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:25:24,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:25:24,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:25:24,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:25:24,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:25:24,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:25:24,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:25:24,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:25:24,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:25:24,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:25:24,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:25:24,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:25:24,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:25:24,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:25:24,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:25:24,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:25:24,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:25:24,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:25:24,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:25:24,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:25:24,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:25:24,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:25:24,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:25:24,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:25:24,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:25:24,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:25:24,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:25:24,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:25:24,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:25:24,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:25:24,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:25:24,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:25:24,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:25:24,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:25:24,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:25:24,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:25:24,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:25:24,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:25:24,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:25:24,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:25:24,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:25:24,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:25:24,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:25:24,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:25:24,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:25:24,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:25:24,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:25:24,972 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:25:24,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:25:24,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:25:24,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:25:24,973 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:25:24,973 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:25:24,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:25:24,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:24,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:25:24,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:25:24,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:25:24,974 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:25:24,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:25:24,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:25:24,975 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_4494292a-2795-4053-ba3f-f6d8e502d409/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d178c446d2c3b22c32b7cec7ef2101ff0c96cdb21111ec3fbe2f2e6f2308ec3c [2022-11-20 17:25:25,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:25:25,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:25:25,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:25:25,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:25:25,306 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:25:25,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i [2022-11-20 17:25:28,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:25:28,767 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:25:28,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i [2022-11-20 17:25:28,787 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/data/0ce91fa8d/c6d9e928d30d453cb57c9c7f2782d246/FLAG14f5d1001 [2022-11-20 17:25:28,802 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/data/0ce91fa8d/c6d9e928d30d453cb57c9c7f2782d246 [2022-11-20 17:25:28,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:25:28,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:25:28,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:28,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:25:28,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:25:28,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:28" (1/1) ... [2022-11-20 17:25:28,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8eef9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:28, skipping insertion in model container [2022-11-20 17:25:28,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:28" (1/1) ... [2022-11-20 17:25:28,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:25:28,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:25:29,315 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:25:29,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:29,856 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:25:29,876 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:25:29,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:30,036 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:25:30,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30 WrapperNode [2022-11-20 17:25:30,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:30,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:30,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:25:30,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:25:30,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,095 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-11-20 17:25:30,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:30,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:25:30,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:25:30,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:25:30,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:25:30,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:25:30,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:25:30,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:25:30,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:25:30,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:25:30,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:25:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:25:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:25:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:25:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:25:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:25:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:25:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:25:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:25:30,424 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:25:30,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:25:30,669 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:25:30,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:25:30,700 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:25:30,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:30 BoogieIcfgContainer [2022-11-20 17:25:30,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:25:30,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:25:30,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:25:30,714 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:25:30,715 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:30" (1/1) ... [2022-11-20 17:25:30,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:25:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 17:25:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 17:25:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:25:30,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,092 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 17:25:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 80 transitions. [2022-11-20 17:25:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 17:25:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:25:31,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,231 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 17:25:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 79 transitions. [2022-11-20 17:25:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 17:25:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:25:31,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,367 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 17:25:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 78 transitions. [2022-11-20 17:25:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 17:25:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:25:31,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,492 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 17:25:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 84 transitions. [2022-11-20 17:25:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 17:25:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:25:31,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,592 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 17:25:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 83 transitions. [2022-11-20 17:25:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2022-11-20 17:25:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:25:31,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,777 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 17:25:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 82 transitions. [2022-11-20 17:25:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-11-20 17:25:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:25:31,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,954 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 17:25:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 84 transitions. [2022-11-20 17:25:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 17:25:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:25:31,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,095 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 17:25:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 89 transitions. [2022-11-20 17:25:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 17:25:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:32,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,280 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 17:25:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 95 transitions. [2022-11-20 17:25:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-11-20 17:25:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:25:32,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,443 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 17:25:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 99 transitions. [2022-11-20 17:25:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2022-11-20 17:25:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:25:32,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:25:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 98 transitions. [2022-11-20 17:25:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2022-11-20 17:25:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:25:32,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:25:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 92 transitions. [2022-11-20 17:25:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2022-11-20 17:25:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:25:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:25:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 90 transitions. [2022-11-20 17:25:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-20 17:25:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:25:32,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,869 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 17:25:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:33,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 86 transitions. [2022-11-20 17:25:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-20 17:25:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:25:33,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:33,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:25:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 85 transitions. [2022-11-20 17:25:33,262 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-20 17:25:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:25:33,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:33,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:33,372 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 17:25:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 96 transitions. [2022-11-20 17:25:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2022-11-20 17:25:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:25:33,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:33,601 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 17:25:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 48 states and 62 transitions. [2022-11-20 17:25:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 17:25:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:25:33,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:33,914 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 17:25:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 47 states and 61 transitions. [2022-11-20 17:25:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 17:25:34,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:25:34,032 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-11-20 17:25:34,039 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:25:34,162 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:25:34,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:25:34 ImpRootNode [2022-11-20 17:25:34,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:25:34,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:25:34,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:25:34,168 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:25:34,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:30" (3/4) ... [2022-11-20 17:25:34,171 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:25:34,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:25:34,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:25:34,181 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:25:34,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:25:34,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:25:34,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:25:34,183 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:25:34,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:25:34,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:25:34,230 INFO L158 Benchmark]: Toolchain (without parser) took 5423.99ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 146.8MB in the beginning and 87.1MB in the end (delta: 59.7MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,231 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 130.0MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:25:34,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1230.23ms. Allocated memory is still 182.5MB. Free memory was 146.8MB in the beginning and 98.9MB in the end (delta: 47.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 182.5MB. Free memory was 98.9MB in the beginning and 96.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,232 INFO L158 Benchmark]: Boogie Preprocessor took 42.83ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,232 INFO L158 Benchmark]: RCFGBuilder took 563.19ms. Allocated memory is still 182.5MB. Free memory was 93.9MB in the beginning and 75.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,233 INFO L158 Benchmark]: CodeCheck took 3463.51ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 91.3MB in the end (delta: -16.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,233 INFO L158 Benchmark]: Witness Printer took 62.38ms. Allocated memory is still 220.2MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:25:34,235 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2462 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 758 mSDsluCounter, 1912 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 578 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1534 IncrementalHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 1334 mSDtfsCounter, 1534 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3620 GetRequests, 3562 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 34/34 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: 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: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: 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: 1671]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 130.0MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1230.23ms. Allocated memory is still 182.5MB. Free memory was 146.8MB in the beginning and 98.9MB in the end (delta: 47.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 182.5MB. Free memory was 98.9MB in the beginning and 96.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.83ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.19ms. Allocated memory is still 182.5MB. Free memory was 93.9MB in the beginning and 75.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3463.51ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 91.3MB in the end (delta: -16.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 62.38ms. Allocated memory is still 220.2MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:25:34,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494292a-2795-4053-ba3f-f6d8e502d409/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