./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_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_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/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_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/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_19f390ca-bc5b-4f80-9878-fc871a12efa8/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 2a4409c920d55377bbb2356fdf832bc0f3a8c8336791cefcd16c5873f6587172 --- 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 18:19:08,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:19:08,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:19:08,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:19:08,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:19:08,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:19:08,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:19:08,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:19:08,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:19:08,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:19:08,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:19:08,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:19:08,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:19:08,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:19:08,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:19:08,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:19:08,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:19:08,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:19:08,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:19:08,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:19:08,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:19:08,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:19:08,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:19:08,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:19:08,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:19:08,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:19:08,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:19:08,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:19:08,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:19:08,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:19:08,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:19:08,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:19:08,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:19:08,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:19:08,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:19:08,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:19:08,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:19:08,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:19:08,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:19:08,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:19:08,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:19:08,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:19:08,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:19:08,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:19:08,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:19:08,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:19:08,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:19:08,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:19:08,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:19:08,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:19:08,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:19:08,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:19:08,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:19:08,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:19:08,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:19:08,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:19:08,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:19:08,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:19:08,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:19:08,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:19:08,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:19:08,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:19:08,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:19:08,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:19:08,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:19:08,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:19:08,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:19:08,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:19:08,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:19:08,134 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_19f390ca-bc5b-4f80-9878-fc871a12efa8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a4409c920d55377bbb2356fdf832bc0f3a8c8336791cefcd16c5873f6587172 [2022-11-20 18:19:08,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:19:08,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:19:08,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:19:08,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:19:08,451 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:19:08,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i [2022-11-20 18:19:11,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:19:12,069 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:19:12,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_17_good.i [2022-11-20 18:19:12,091 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/data/499ab4821/bb8518b344c1481db5aca59b8127e2df/FLAG1b232e468 [2022-11-20 18:19:12,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/data/499ab4821/bb8518b344c1481db5aca59b8127e2df [2022-11-20 18:19:12,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:19:12,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:19:12,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:19:12,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:19:12,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:19:12,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:12" (1/1) ... [2022-11-20 18:19:12,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d62105a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:12, skipping insertion in model container [2022-11-20 18:19:12,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:12" (1/1) ... [2022-11-20 18:19:12,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:19:12,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:19:12,677 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:19:13,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:19:13,314 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:19:13,334 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:19:13,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:19:13,631 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:19:13,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13 WrapperNode [2022-11-20 18:19:13,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:19:13,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:19:13,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:19:13,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:19:13,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,697 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2022-11-20 18:19:13,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:19:13,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:19:13,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:19:13,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:19:13,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:19:13,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:19:13,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:19:13,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:19:13,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:13" (1/1) ... [2022-11-20 18:19:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:19:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:19:13,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:19:13,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:19:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:19:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:19:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:19:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:19:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:19:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:19:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:19:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:19:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:19:14,087 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:19:14,089 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:19:14,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:19:14,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:19:14,455 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 18:19:14,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:14 BoogieIcfgContainer [2022-11-20 18:19:14,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:19:14,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:19:14,467 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:19:14,477 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:19:14,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:14" (1/1) ... [2022-11-20 18:19:14,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:19:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 18:19:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 18:19:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:19:14,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,060 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 18:19:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 18:19:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 18:19:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:19:15,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,300 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 18:19:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 18:19:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 18:19:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:19:15,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-20 18:19:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 18:19:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:19:15,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 18:19:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 18:19:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:19:15,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-11-20 18:19:15,868 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-11-20 18:19:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:19:15,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-20 18:19:16,462 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-20 18:19:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:19:16,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:19:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-20 18:19:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 18:19:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:19:16,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:19:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-20 18:19:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 18:19:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:19:16,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-11-20 18:19:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-20 18:19:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:19:16,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-11-20 18:19:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-20 18:19:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:19:17,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:17,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2022-11-20 18:19:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-20 18:19:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:19:17,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:17,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:19:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 79 transitions. [2022-11-20 18:19:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-20 18:19:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:19:17,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:17,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 85 transitions. [2022-11-20 18:19:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-11-20 18:19:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:19:18,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:18,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 79 transitions. [2022-11-20 18:19:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-20 18:19:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:19:18,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:19:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 80 transitions. [2022-11-20 18:19:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-20 18:19:19,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:19:19,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 84 transitions. [2022-11-20 18:19:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-20 18:19:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:19:19,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:19:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 83 transitions. [2022-11-20 18:19:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-11-20 18:19:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:19:19,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 84 transitions. [2022-11-20 18:19:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-20 18:19:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:19:19,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:19:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 52 transitions. [2022-11-20 18:19:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 18:19:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:19:20,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:20,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:19:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 61 transitions. [2022-11-20 18:19:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-11-20 18:19:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:19:20,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:19:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 63 transitions. [2022-11-20 18:19:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-20 18:19:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:19:20,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:19:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 67 transitions. [2022-11-20 18:19:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-11-20 18:19:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:19:21,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:19:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 40 states and 43 transitions. [2022-11-20 18:19:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-20 18:19:21,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:19:21,458 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2022-11-20 18:19:21,466 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 18:19:21,639 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:19:21,651 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 18:19:21,657 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 18:19:21,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:19:21,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:19:21,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:19:21 ImpRootNode [2022-11-20 18:19:21,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:19:21,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:19:21,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:19:21,660 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:19:21,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:14" (3/4) ... [2022-11-20 18:19:21,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:19:21,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:19:21,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:19:21,674 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 18:19:21,674 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 18:19:21,674 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:19:21,675 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:19:21,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:19:21,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:19:21,741 INFO L158 Benchmark]: Toolchain (without parser) took 9630.75ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 123.7MB in the beginning and 84.7MB in the end (delta: 39.1MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,742 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 113.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:19:21,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.15ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 115.4MB in the end (delta: 7.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.05ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 111.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,743 INFO L158 Benchmark]: Boogie Preprocessor took 31.16ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 110.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,744 INFO L158 Benchmark]: RCFGBuilder took 735.61ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 88.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,744 INFO L158 Benchmark]: CodeCheck took 7192.73ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 87.8MB in the end (delta: 1.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,744 INFO L158 Benchmark]: Witness Printer took 81.53ms. Allocated memory is still 203.4MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:19:21,746 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1862 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 796 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 923 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3594 IncrementalHoareTripleChecker+Invalid, 4517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 923 mSolverCounterUnsat, 483 mSDtfsCounter, 3594 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3475 GetRequests, 3356 SyntacticMatches, 5 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4774 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 481 NumberOfCodeBlocks, 481 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 100/105 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && 0 <= data + 2147483648) || i == 0 - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 113.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.15ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 115.4MB in the end (delta: 7.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.05ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 111.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.16ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 110.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.61ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 88.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7192.73ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 87.8MB in the end (delta: 1.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 81.53ms. Allocated memory is still 203.4MB. Free memory was 87.8MB in the beginning and 84.7MB 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 18:19:21,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19f390ca-bc5b-4f80-9878-fc871a12efa8/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