./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg --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 fee45405504a2c1308e3f6e72b1e8f4a784f936d4e5a3b855990416ea9160727 --- 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-b5237d8 [2022-11-21 23:04:43,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:04:43,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:04:43,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:04:43,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:04:43,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:04:43,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:04:43,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:04:43,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:04:43,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:04:43,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:04:43,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:04:43,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:04:43,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:04:43,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:04:43,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:04:43,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:04:43,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:04:43,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:04:43,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:04:43,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:04:43,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:04:43,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:04:43,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:04:43,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:04:43,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:04:43,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:04:43,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:04:43,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:04:43,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:04:43,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:04:43,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:04:43,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:04:43,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:04:43,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:04:43,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:04:43,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:04:43,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:04:43,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:04:43,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:04:43,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:04:43,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:04:43,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:04:43,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:04:43,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:04:43,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:04:43,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:04:43,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:04:43,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:04:43,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:04:43,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:04:43,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:04:43,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:04:43,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:04:43,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:04:43,930 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:04:43,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:04:43,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:04:43,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:04:43,931 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:04:43,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:04:43,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:04:43,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:43,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:04:43,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:04:43,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:04:43,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:04:43,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:04:43,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:04:43,934 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_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee45405504a2c1308e3f6e72b1e8f4a784f936d4e5a3b855990416ea9160727 [2022-11-21 23:04:44,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:04:44,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:04:44,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:04:44,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:04:44,255 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:04:44,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_09_good.i [2022-11-21 23:04:47,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:04:47,704 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:04:47,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_09_good.i [2022-11-21 23:04:47,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/data/61eea2126/f267a961d0b74ed6bb077a91ee943b2f/FLAG9665b006b [2022-11-21 23:04:47,763 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/data/61eea2126/f267a961d0b74ed6bb077a91ee943b2f [2022-11-21 23:04:47,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:04:47,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:04:47,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:47,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:04:47,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:04:47,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:47" (1/1) ... [2022-11-21 23:04:47,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b3286f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:47, skipping insertion in model container [2022-11-21 23:04:47,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:47" (1/1) ... [2022-11-21 23:04:47,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:04:47,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:04:48,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:04:48,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:48,981 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:04:49,000 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:04:49,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:49,230 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:04:49,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49 WrapperNode [2022-11-21 23:04:49,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:49,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:49,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:04:49,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:04:49,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,353 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-21 23:04:49,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:49,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:04:49,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:04:49,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:04:49,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,379 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:04:49,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:04:49,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:04:49,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:04:49,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:49" (1/1) ... [2022-11-21 23:04:49,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:04:49,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:04:49,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:04:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:04:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:04:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:04:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:04:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:04:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:04:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:04:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:04:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:04:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:04:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:04:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:04:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:04:49,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:04:49,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:04:49,956 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:04:50,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:04:50,015 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:04:50,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:50 BoogieIcfgContainer [2022-11-21 23:04:50,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:04:50,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:04:50,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:04:50,031 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:04:50,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:50" (1/1) ... [2022-11-21 23:04:50,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:04:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 23:04:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 23:04:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:04:50,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 23:04:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:04:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:04:50,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-21 23:04:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-21 23:04:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:04:50,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 23:04:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 23:04:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:04:50,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-21 23:04:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 23:04:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:04:51,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-21 23:04:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:04:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:04:51,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-21 23:04:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 23:04:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:52,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:52,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-21 23:04:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 23:04:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:52,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-21 23:04:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 23:04:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:52,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-21 23:04:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-21 23:04:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:04:52,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-21 23:04:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:04:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:04:52,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-21 23:04:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 23:04:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:04:53,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-21 23:04:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-21 23:04:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:04:53,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-21 23:04:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-21 23:04:53,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:04:53,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-21 23:04:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:04:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:04:53,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-21 23:04:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:04:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:04:54,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-21 23:04:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:04:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:04:54,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-21 23:04:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-21 23:04:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:04:54,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:04:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-21 23:04:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-21 23:04:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:04:55,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:55,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-21 23:04:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:04:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:04:55,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:55,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-21 23:04:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-21 23:04:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:04:56,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 63 states and 84 transitions. [2022-11-21 23:04:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 23:04:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:04:56,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:04:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 61 states and 81 transitions. [2022-11-21 23:04:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-11-21 23:04:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:04:56,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:04:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 60 states and 78 transitions. [2022-11-21 23:04:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2022-11-21 23:04:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:04:57,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:57,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 85 transitions. [2022-11-21 23:04:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-21 23:04:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:04:57,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:57,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:04:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 44 states and 56 transitions. [2022-11-21 23:04:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 23:04:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:04:57,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:58,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 43 states and 55 transitions. [2022-11-21 23:04:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 23:04:58,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:04:58,068 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 23:04:58,077 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:04:58,394 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:04:58,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:04:58 ImpRootNode [2022-11-21 23:04:58,399 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:04:58,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:04:58,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:04:58,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:04:58,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:50" (3/4) ... [2022-11-21 23:04:58,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:04:58,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:04:58,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:04:58,420 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:04:58,421 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:04:58,421 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:04:58,422 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:04:58,422 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:04:58,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:04:58,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:04:58,498 INFO L158 Benchmark]: Toolchain (without parser) took 10724.74ms. Allocated memory was 142.6MB in the beginning and 247.5MB in the end (delta: 104.9MB). Free memory was 109.0MB in the beginning and 81.7MB in the end (delta: 27.3MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,498 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 107.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:04:58,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1456.01ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 109.9MB in the end (delta: -904.8kB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.18ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 106.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,502 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:04:58,503 INFO L158 Benchmark]: RCFGBuilder took 637.55ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,503 INFO L158 Benchmark]: CodeCheck took 8377.32ms. Allocated memory was 142.6MB in the beginning and 247.5MB in the end (delta: 104.9MB). Free memory was 86.2MB in the beginning and 85.9MB in the end (delta: 315.1kB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,503 INFO L158 Benchmark]: Witness Printer took 97.13ms. Allocated memory is still 247.5MB. Free memory was 85.9MB in the beginning and 81.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:04:58,505 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: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4532 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1518 mSDsluCounter, 3451 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1280 mSDsCounter, 1147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4454 IncrementalHoareTripleChecker+Invalid, 5601 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1147 mSolverCounterUnsat, 2171 mSDtfsCounter, 4454 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6062 GetRequests, 5894 SyntacticMatches, 14 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10847 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, 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: 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 0.57ms. Allocated memory is still 107.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1456.01ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 109.9MB in the end (delta: -904.8kB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.18ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 106.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.55ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8377.32ms. Allocated memory was 142.6MB in the beginning and 247.5MB in the end (delta: 104.9MB). Free memory was 86.2MB in the beginning and 85.9MB in the end (delta: 315.1kB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * Witness Printer took 97.13ms. Allocated memory is still 247.5MB. Free memory was 85.9MB in the beginning and 81.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:04:58,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71798a14-74b2-4cac-8738-77c2575de868/bin/ukojak-jW3SillKbg/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