./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4dee365a2a08606e790fa682bc6c5a0f6784b1a431868f3f6f0d7d4ae493197f --- 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 16:29:23,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:29:23,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:29:24,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:29:24,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:29:24,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:29:24,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:29:24,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:29:24,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:29:24,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:29:24,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:29:24,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:29:24,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:29:24,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:29:24,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:29:24,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:29:24,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:29:24,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:29:24,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:29:24,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:29:24,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:29:24,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:29:24,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:29:24,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:29:24,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:29:24,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:29:24,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:29:24,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:29:24,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:29:24,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:29:24,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:29:24,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:29:24,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:29:24,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:29:24,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:29:24,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:29:24,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:29:24,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:29:24,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:29:24,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:29:24,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:29:24,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:29:24,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:29:24,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:29:24,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:29:24,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:29:24,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:29:24,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:29:24,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:29:24,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:29:24,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:29:24,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:29:24,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:29:24,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:29:24,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:29:24,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:29:24,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:29:24,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:29:24,190 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:29:24,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:29:24,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:29:24,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:29:24,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:29:24,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:29:24,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:29:24,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:29:24,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:29:24,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:29:24,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:29:24,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:29:24,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:29:24,195 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:29:24,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:29:24,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:29:24,196 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_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dee365a2a08606e790fa682bc6c5a0f6784b1a431868f3f6f0d7d4ae493197f [2022-11-21 16:29:24,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:29:24,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:29:24,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:29:24,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:29:24,561 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:29:24,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_good.i [2022-11-21 16:29:27,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:29:28,278 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:29:28,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_good.i [2022-11-21 16:29:28,305 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/data/32c74bdb7/77b4a9caa14e49c9ab967c3b06034326/FLAG0fafec1ca [2022-11-21 16:29:28,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/data/32c74bdb7/77b4a9caa14e49c9ab967c3b06034326 [2022-11-21 16:29:28,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:29:28,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:29:28,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:29:28,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:29:28,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:29:28,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:28" (1/1) ... [2022-11-21 16:29:28,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dda7de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:28, skipping insertion in model container [2022-11-21 16:29:28,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:28" (1/1) ... [2022-11-21 16:29:28,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:29:28,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:29:28,822 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:29:29,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:29:29,549 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:29:29,570 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:29:29,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:29:29,841 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:29:29,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29 WrapperNode [2022-11-21 16:29:29,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:29:29,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:29:29,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:29:29,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:29:29,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,914 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-11-21 16:29:29,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:29:29,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:29:29,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:29:29,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:29:29,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:29:29,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:29:29,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:29:29,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:29:29,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (1/1) ... [2022-11-21 16:29:29,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:29:29,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:30,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:30,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:29:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 16:29:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 16:29:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:29:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:29:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:29:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:29:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:29:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:29:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:29:30,251 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:29:30,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:29:30,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:29:30,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:29:30,492 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:29:30,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:30 BoogieIcfgContainer [2022-11-21 16:29:30,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:29:30,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:29:30,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:29:30,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:29:30,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:29:28" (1/3) ... [2022-11-21 16:29:30,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb3d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:29:30, skipping insertion in model container [2022-11-21 16:29:30,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:29" (2/3) ... [2022-11-21 16:29:30,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb3d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:29:30, skipping insertion in model container [2022-11-21 16:29:30,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:30" (3/3) ... [2022-11-21 16:29:30,506 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_01_good.i [2022-11-21 16:29:30,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:29:30,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 16:29:30,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:29:30,590 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13aca67f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:29:30,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-21 16:29:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-21 16:29:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 16:29:30,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:29:30,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:30,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 16:29:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1111266403, now seen corresponding path program 1 times [2022-11-21 16:29:30,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:30,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138287762] [2022-11-21 16:29:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:30,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:29:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:30,926 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 16:29:30,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:30,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138287762] [2022-11-21 16:29:30,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138287762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:30,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:30,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:29:30,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491622334] [2022-11-21 16:29:30,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:30,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:29:30,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:29:30,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:30,977 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:29:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:29:31,018 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-11-21 16:29:31,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:29:31,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-21 16:29:31,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:29:31,034 INFO L225 Difference]: With dead ends: 33 [2022-11-21 16:29:31,035 INFO L226 Difference]: Without dead ends: 22 [2022-11-21 16:29:31,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:31,053 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:29:31,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 48 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:29:31,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-21 16:29:31,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-21 16:29:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:29:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-21 16:29:31,105 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 9 [2022-11-21 16:29:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:29:31,106 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-21 16:29:31,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:29:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-21 16:29:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:29:31,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:29:31,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:31,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:29:31,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 16:29:31,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:31,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1304219526, now seen corresponding path program 1 times [2022-11-21 16:29:31,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:31,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729117923] [2022-11-21 16:29:31,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:31,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:29:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:29:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,281 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 16:29:31,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:31,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729117923] [2022-11-21 16:29:31,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729117923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:31,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:31,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:29:31,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262745283] [2022-11-21 16:29:31,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:31,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:29:31,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:31,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:29:31,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:31,300 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:29:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:29:31,318 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-21 16:29:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:29:31,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-11-21 16:29:31,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:29:31,320 INFO L225 Difference]: With dead ends: 22 [2022-11-21 16:29:31,320 INFO L226 Difference]: Without dead ends: 21 [2022-11-21 16:29:31,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:31,323 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:29:31,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:29:31,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-21 16:29:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-21 16:29:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:29:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-21 16:29:31,330 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2022-11-21 16:29:31,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:29:31,330 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-21 16:29:31,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:29:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 16:29:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 16:29:31,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:29:31,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:31,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:29:31,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 16:29:31,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1776099707, now seen corresponding path program 1 times [2022-11-21 16:29:31,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:31,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184003738] [2022-11-21 16:29:31,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:31,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:29:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:29:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:31,633 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 16:29:31,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:31,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184003738] [2022-11-21 16:29:31,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184003738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:31,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:31,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:29:31,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827750757] [2022-11-21 16:29:31,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:31,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:29:31,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:31,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:29:31,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:31,638 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:29:31,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:29:31,657 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-11-21 16:29:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:29:31,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-21 16:29:31,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:29:31,659 INFO L225 Difference]: With dead ends: 21 [2022-11-21 16:29:31,659 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:29:31,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:31,662 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:29:31,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:29:31,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:29:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:29:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:29:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:29:31,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-21 16:29:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:29:31,671 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:29:31,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:29:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:29:31,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:29:31,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-21 16:29:31,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-21 16:29:31,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-21 16:29:31,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-21 16:29:31,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:29:31,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:29:31,716 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-21 16:29:31,717 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 16:29:31,717 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-21 16:29:31,717 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 16:29:31,718 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 16:29:31,719 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-21 16:29:31,720 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 16:29:31,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed. [2022-11-21 16:29:31,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:29:31,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-21 16:29:31,722 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-11-21 16:29:31,725 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-11-21 16:29:31,725 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1571) no Hoare annotation was computed. [2022-11-21 16:29:31,726 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 16:29:31,726 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1548 1557) no Hoare annotation was computed. [2022-11-21 16:29:31,726 INFO L895 garLoopResultBuilder]: At program point L1584(lines 1578 1585) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 16:29:31,727 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 16:29:31,727 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1558 1572) no Hoare annotation was computed. [2022-11-21 16:29:31,727 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:29:31,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed. [2022-11-21 16:29:31,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-21 16:29:31,729 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 16:29:31,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:29:31,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:29:31,730 INFO L899 garLoopResultBuilder]: For program point L1562(line 1562) no Hoare annotation was computed. [2022-11-21 16:29:31,730 INFO L899 garLoopResultBuilder]: For program point L1562-2(line 1562) no Hoare annotation was computed. [2022-11-21 16:29:31,731 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-21 16:29:31,731 INFO L899 garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed. [2022-11-21 16:29:31,732 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 16:29:31,733 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-21 16:29:31,734 INFO L902 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: true [2022-11-21 16:29:31,738 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-11-21 16:29:31,738 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1577) no Hoare annotation was computed. [2022-11-21 16:29:31,743 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:29:31,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:29:31,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:29:31 BoogieIcfgContainer [2022-11-21 16:29:31,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:29:31,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:29:31,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:29:31,766 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:29:31,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:30" (3/4) ... [2022-11-21 16:29:31,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:29:31,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:29:31,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 16:29:31,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 16:29:31,787 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:29:31,787 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:29:31,788 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:29:31,859 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:29:31,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:29:31,860 INFO L158 Benchmark]: Toolchain (without parser) took 3535.65ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 106.2MB in the beginning and 147.6MB in the end (delta: -41.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-21 16:29:31,861 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:31,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.32ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 105.7MB in the beginning and 156.1MB in the end (delta: -50.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-21 16:29:31,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.69ms. Allocated memory is still 195.0MB. Free memory was 156.1MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:29:31,863 INFO L158 Benchmark]: Boogie Preprocessor took 50.93ms. Allocated memory is still 195.0MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:31,863 INFO L158 Benchmark]: RCFGBuilder took 528.15ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 137.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:29:31,863 INFO L158 Benchmark]: TraceAbstraction took 1266.94ms. Allocated memory is still 195.0MB. Free memory was 137.3MB in the beginning and 150.7MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:31,864 INFO L158 Benchmark]: Witness Printer took 93.75ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 147.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:29:31,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.32ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 105.7MB in the beginning and 156.1MB in the end (delta: -50.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.69ms. Allocated memory is still 195.0MB. Free memory was 156.1MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.93ms. Allocated memory is still 195.0MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.15ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 137.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1266.94ms. Allocated memory is still 195.0MB. Free memory was 137.3MB in the beginning and 150.7MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.75ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 147.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 73 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-21 16:29:31,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_335acd2e-af0d-41a0-9ca5-26954844631f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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