./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_10_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_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/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_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/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_dbf468c8-d3ff-4654-97fe-3975fd160350/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 245e0bd9e46073f8b27b39da7076cae412bd25ea9ea6bbf181e7a33c7e50d67c --- 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 17:24:51,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:24:51,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:24:51,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:24:51,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:24:51,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:24:51,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:24:51,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:24:51,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:24:51,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:24:51,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:24:51,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:24:51,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:24:51,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:24:51,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:24:51,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:24:51,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:24:51,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:24:51,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:24:51,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:24:51,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:24:51,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:24:51,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:24:51,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:24:51,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:24:51,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:24:51,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:24:51,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:24:51,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:24:51,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:24:51,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:24:51,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:24:51,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:24:51,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:24:51,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:24:51,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:24:51,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:24:51,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:24:51,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:24:51,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:24:51,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:24:51,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:24:51,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:24:51,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:24:51,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:24:51,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:24:51,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:24:51,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:24:51,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:24:51,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:24:51,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:24:51,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:24:51,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:24:51,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:24:51,636 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:24:51,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:24:51,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:24:51,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:51,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:24:51,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:24:51,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:24:51,637 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:24:51,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:24:51,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:24:51,637 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_dbf468c8-d3ff-4654-97fe-3975fd160350/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 245e0bd9e46073f8b27b39da7076cae412bd25ea9ea6bbf181e7a33c7e50d67c [2022-11-20 17:24:51,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:24:51,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:24:51,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:24:51,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:24:51,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:24:51,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_10_good.i [2022-11-20 17:24:55,054 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:24:55,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:24:55,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_10_good.i [2022-11-20 17:24:55,543 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/data/e97066d9a/57e7808295ca4a5684215a0fb44f3ecd/FLAG82aa568a1 [2022-11-20 17:24:55,560 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/data/e97066d9a/57e7808295ca4a5684215a0fb44f3ecd [2022-11-20 17:24:55,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:24:55,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:24:55,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:55,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:24:55,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:24:55,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:55" (1/1) ... [2022-11-20 17:24:55,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74616074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:55, skipping insertion in model container [2022-11-20 17:24:55,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:55" (1/1) ... [2022-11-20 17:24:55,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:24:55,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:24:56,063 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:56,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:56,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:24:56,609 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:56,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:56,854 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:24:56,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56 WrapperNode [2022-11-20 17:24:56,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:56,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:56,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:24:56,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:24:56,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,938 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-20 17:24:56,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:56,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:24:56,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:24:56,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:24:56,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:24:56,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:24:56,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:24:56,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:24:56,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:56" (1/1) ... [2022-11-20 17:24:56,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:57,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:24:57,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:24:57,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:24:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:24:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:24:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:24:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:24:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:24:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:24:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:24:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:24:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:24:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:24:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:24:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:24:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:24:57,213 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:24:57,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:24:57,561 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:24:57,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:24:57,622 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:24:57,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:57 BoogieIcfgContainer [2022-11-20 17:24:57,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:24:57,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:24:57,627 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:24:57,637 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:24:57,637 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:57" (1/1) ... [2022-11-20 17:24:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:24:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 17:24:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:24:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:24:57,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:57,997 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 17:24:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-20 17:24:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:24:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:24:58,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:58,215 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 17:24:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-20 17:24:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 17:24:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:24:58,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:58,337 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 17:24:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-20 17:24:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 17:24:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:24:58,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:58,602 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 17:24:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:58,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-20 17:24:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 17:24:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:24:58,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:58,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:58,854 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 17:24:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-20 17:24:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:24:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:24:59,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:59,436 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 17:24:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-20 17:24:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-20 17:24:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:24:59,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:59,858 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 17:24:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-20 17:24:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 17:24:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:24:59,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:59,948 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 17:25:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-20 17:25:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 17:25:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:25:00,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:00,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:00,295 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 17:25:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-20 17:25:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-20 17:25:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:25:00,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:00,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:00,469 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 17:25:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-20 17:25:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:25:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:00,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:00,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:00,683 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 17:25:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-20 17:25:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 17:25:00,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:00,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:00,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:00,943 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 17:25:01,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-20 17:25:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:25:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:01,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,235 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 17:25:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-20 17:25:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 17:25:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:01,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,490 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 17:25:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-20 17:25:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:25:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:25:01,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,539 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 17:25:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-20 17:25:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 17:25:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:25:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,747 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 17:25:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-20 17:25:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 17:25:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:25:01,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,898 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 17:25:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-20 17:25:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 17:25:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:25:01,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:01,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:01,968 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 17:25:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-20 17:25:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-20 17:25:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:25:02,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:02,766 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 17:25:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:03,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-20 17:25:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:25:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:25:03,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:03,128 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 17:25:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-20 17:25:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 17:25:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:25:03,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:03,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:03,536 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 17:25:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 63 states and 86 transitions. [2022-11-20 17:25:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:25:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:25:03,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:03,945 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 17:25:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 89 transitions. [2022-11-20 17:25:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-11-20 17:25:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:25:04,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:04,347 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 17:25:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 86 transitions. [2022-11-20 17:25:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-20 17:25:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:25:04,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:04,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:04,883 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 17:25:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 93 transitions. [2022-11-20 17:25:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-20 17:25:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:25:05,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:05,326 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 17:25:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 85 transitions. [2022-11-20 17:25:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:25:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:25:05,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:05,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:05,518 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 17:25:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 44 states and 56 transitions. [2022-11-20 17:25:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 17:25:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:25:05,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:05,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:05,638 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 17:25:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 43 states and 55 transitions. [2022-11-20 17:25:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:25:05,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:25:05,661 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-20 17:25:05,671 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:25:05,968 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:25:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:25:05 ImpRootNode [2022-11-20 17:25:05,973 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:25:05,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:25:05,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:25:05,974 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:25:05,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:57" (3/4) ... [2022-11-20 17:25:05,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:25:05,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:25:05,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:25:05,994 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:25:05,995 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:25:05,999 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:25:06,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:25:06,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:25:06,078 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:25:06,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:25:06,079 INFO L158 Benchmark]: Toolchain (without parser) took 10515.33ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 129.0MB in the beginning and 160.8MB in the end (delta: -31.8MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,080 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 121.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:25:06,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.64ms. Allocated memory is still 163.6MB. Free memory was 129.0MB in the beginning and 65.8MB in the end (delta: 63.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.78ms. Allocated memory is still 163.6MB. Free memory was 65.8MB in the beginning and 62.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,081 INFO L158 Benchmark]: Boogie Preprocessor took 49.24ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,081 INFO L158 Benchmark]: RCFGBuilder took 636.59ms. Allocated memory is still 163.6MB. Free memory was 61.0MB in the beginning and 123.5MB in the end (delta: -62.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,081 INFO L158 Benchmark]: CodeCheck took 8346.76ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 123.5MB in the beginning and 163.9MB in the end (delta: -40.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,082 INFO L158 Benchmark]: Witness Printer took 105.40ms. Allocated memory is still 295.7MB. Free memory was 163.9MB in the beginning and 160.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:25:06,083 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: 8.0s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4826 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1634 mSDsluCounter, 3669 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1377 mSDsCounter, 1225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4804 IncrementalHoareTripleChecker+Invalid, 6029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1225 mSolverCounterUnsat, 2292 mSDtfsCounter, 4804 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6434 GetRequests, 6264 SyntacticMatches, 14 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11132 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: 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: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 121.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.64ms. Allocated memory is still 163.6MB. Free memory was 129.0MB in the beginning and 65.8MB in the end (delta: 63.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.78ms. Allocated memory is still 163.6MB. Free memory was 65.8MB in the beginning and 62.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.24ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 636.59ms. Allocated memory is still 163.6MB. Free memory was 61.0MB in the beginning and 123.5MB in the end (delta: -62.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 8346.76ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 123.5MB in the beginning and 163.9MB in the end (delta: -40.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 105.40ms. Allocated memory is still 295.7MB. Free memory was 163.9MB in the beginning and 160.8MB 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 17:25:06,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf468c8-d3ff-4654-97fe-3975fd160350/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