./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_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_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/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_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/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_c29c24ca-3656-4036-99d7-c2a4d3d49fae/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 d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75 --- 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 17:31:51,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:31:51,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:31:51,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:31:51,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:31:51,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:31:51,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:31:51,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:31:51,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:31:51,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:31:51,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:31:51,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:31:51,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:31:51,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:31:51,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:31:51,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:31:51,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:31:51,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:31:51,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:31:51,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:31:51,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:31:51,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:31:51,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:31:51,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:31:51,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:31:51,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:31:51,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:31:51,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:31:51,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:31:51,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:31:51,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:31:51,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:31:51,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:31:51,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:31:51,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:31:51,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:31:51,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:31:51,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:31:51,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:31:51,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:31:51,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:31:51,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:31:51,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:31:51,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:31:51,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:31:51,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:31:51,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:31:51,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:31:51,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:31:51,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:31:51,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:31:51,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:31:51,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:31:51,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:31:51,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:31:51,634 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:31:51,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:31:51,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:31:51,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:31:51,634 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:31:51,635 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:31:51,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:31:51,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:31:51,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:31:51,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:31:51,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:31:51,636 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:31:51,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:31:51,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:31:51,637 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_c29c24ca-3656-4036-99d7-c2a4d3d49fae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75 [2022-11-20 17:31:51,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:31:51,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:31:51,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:31:51,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:31:51,947 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:31:51,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i [2022-11-20 17:31:54,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:31:55,348 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:31:55,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i [2022-11-20 17:31:55,372 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/data/4d9ee3a1b/cf11d99940d14b5b9209d60f0deeb132/FLAG5c593a975 [2022-11-20 17:31:55,394 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/data/4d9ee3a1b/cf11d99940d14b5b9209d60f0deeb132 [2022-11-20 17:31:55,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:31:55,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:31:55,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:31:55,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:31:55,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:31:55,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:55" (1/1) ... [2022-11-20 17:31:55,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536e481a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:55, skipping insertion in model container [2022-11-20 17:31:55,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:55" (1/1) ... [2022-11-20 17:31:55,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:31:55,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:31:55,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:31:56,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:31:56,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:31:56,520 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:31:56,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:31:56,723 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:31:56,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56 WrapperNode [2022-11-20 17:31:56,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:31:56,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:31:56,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:31:56,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:31:56,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,783 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-20 17:31:56,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:31:56,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:31:56,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:31:56,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:31:56,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:31:56,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:31:56,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:31:56,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:31:56,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2022-11-20 17:31:56,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:31:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:31:56,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:31:56,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:31:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:31:56,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:31:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:31:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:31:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:31:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:31:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:31:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:31:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:31:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:31:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:31:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:31:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:31:57,158 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:31:57,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:31:57,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:31:57,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:31:57,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:31:57,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:57 BoogieIcfgContainer [2022-11-20 17:31:57,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:31:57,471 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:31:57,471 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:31:57,487 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:31:57,487 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:57" (1/1) ... [2022-11-20 17:31:57,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:31:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 17:31:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:31:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:31:57,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:57,886 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 17:31:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-20 17:31:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:31:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:31:57,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:57,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:58,104 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 17:31:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-20 17:31:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 17:31:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:31:58,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:58,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:58,216 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 17:31:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-20 17:31:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 17:31:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:31:58,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:58,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:58,387 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 17:31:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:58,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-20 17:31:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 17:31:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:31:58,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:58,559 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 17:31:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-20 17:31:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:31:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:31:58,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:59,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:59,103 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 17:31:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-20 17:31:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-20 17:31:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:31:59,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:59,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:59,484 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 17:31:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-20 17:31:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 17:31:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:31:59,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:59,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:59,575 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 17:31:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-20 17:31:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 17:31:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:31:59,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:59,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:59,826 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 17:31:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-20 17:31:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-20 17:31:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:31:59,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:31:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:31:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:31:59,972 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 17:32:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-20 17:32:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:32:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:32:00,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:00,187 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 17:32:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-20 17:32:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 17:32:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:32:00,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:00,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:00,458 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 17:32:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-20 17:32:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:32:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:32:00,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:00,649 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 17:32:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-20 17:32:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 17:32:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:32:00,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:00,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:00,877 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 17:32:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-20 17:32:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:32:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:32:00,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:00,970 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 17:32:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-20 17:32:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 17:32:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:32:01,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:01,129 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 17:32:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-20 17:32:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 17:32:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:32:01,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:01,236 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 17:32:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-20 17:32:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 17:32:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:32:01,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:01,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:01,309 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 17:32:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-20 17:32:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-20 17:32:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:32:01,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:01,999 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 17:32:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-20 17:32:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:32:02,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:32:02,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:02,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:02,315 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 17:32:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-20 17:32:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 17:32:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:32:02,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:02,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:02,535 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 17:32:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 63 states and 84 transitions. [2022-11-20 17:32:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 17:32:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:32:02,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:02,756 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 17:32:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 61 states and 81 transitions. [2022-11-20 17:32:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-11-20 17:32:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:32:02,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:32:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 60 states and 78 transitions. [2022-11-20 17:32:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2022-11-20 17:32:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:32:03,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:03,425 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 17:32:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 85 transitions. [2022-11-20 17:32:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:32:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:32:03,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:03,546 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 17:32:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 44 states and 56 transitions. [2022-11-20 17:32:03,593 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 17:32:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:32:03,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:03,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:03,681 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 17:32:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 43 states and 55 transitions. [2022-11-20 17:32:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:32:03,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:32:03,715 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 17:32:03,724 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:32:04,031 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:32:04,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:32:04 ImpRootNode [2022-11-20 17:32:04,036 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:32:04,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:32:04,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:32:04,038 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:32:04,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:57" (3/4) ... [2022-11-20 17:32:04,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:32:04,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:32:04,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:32:04,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:32:04,067 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:32:04,068 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:32:04,069 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:32:04,069 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:32:04,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:32:04,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:32:04,147 INFO L158 Benchmark]: Toolchain (without parser) took 8745.29ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 97.2MB in the beginning and 132.8MB in the end (delta: -35.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,147 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:32:04,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.10ms. Allocated memory is still 144.7MB. Free memory was 96.6MB in the beginning and 109.7MB in the end (delta: -13.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.43ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 107.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,155 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,155 INFO L158 Benchmark]: RCFGBuilder took 626.09ms. Allocated memory is still 144.7MB. Free memory was 104.9MB in the beginning and 86.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,155 INFO L158 Benchmark]: CodeCheck took 6565.65ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 86.7MB in the beginning and 135.9MB in the end (delta: -49.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,156 INFO L158 Benchmark]: Witness Printer took 108.88ms. Allocated memory is still 209.7MB. Free memory was 135.9MB in the beginning and 132.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:32:04,157 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4642 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1628 mSDsluCounter, 3507 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1308 mSDsCounter, 1037 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4398 IncrementalHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1037 mSolverCounterUnsat, 2199 mSDtfsCounter, 4398 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6054 GetRequests, 5918 SyntacticMatches, 14 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6982 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.10ms. Allocated memory is still 144.7MB. Free memory was 96.6MB in the beginning and 109.7MB in the end (delta: -13.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.43ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 107.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.09ms. Allocated memory is still 144.7MB. Free memory was 104.9MB in the beginning and 86.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6565.65ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 86.7MB in the beginning and 135.9MB in the end (delta: -49.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 108.88ms. Allocated memory is still 209.7MB. Free memory was 135.9MB in the beginning and 132.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:32:04,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c29c24ca-3656-4036-99d7-c2a4d3d49fae/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE